Radiant|Lab Grown|IGI

3.74ct G IF Radiant Lab Grown Diamond

ID • G/IF • IGI LG618485513

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG618485513

Diamond specifications and retailer prices

From $1,997 USD
HK$15,600 HKD
As of October 31, 2026
Save $4,783 USD (71%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $11,020 USD at Do Amore Diamonds · As of October 23, 2026
View at Do Amore Diamonds

About this 3.74ct lab-grown radiant diamond

This 3.74ct lab-grown radiant sits in the three to five carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG618485513 or 618485513. Listed at 26 retailers as of October 31, 2026, with a 240% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.74
Carat
G
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.6°
Pavilion angle33.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618485513
Dimensions11.35 × 7.69 × 5.03 mm
L/W Ratio1.48
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
11.35 mm7.69 mm3.74 ctG / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618485513
Side View
Table 64.0%Crown 42.6°Girdle: MediumPavilion 33.5°Culet: NoneDepth 65.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $6,780 USD|Low: $1,040 USD|High: $9,680 USD|Avg: $3,581 USD|-30.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 30, 2026
Retailer 16$1,241 USD
Retailer 12$1,535 USD
Retailer 6$1,590 USD
Retailer 4$1,713 USD
Retailer 10$2,274 USD
Retailer 17$2,388 USD
Retailer 14$2,534 USD
Retailer 5$2,661 USD
Retailer 11$3,596 USD
Retailer 13$3,651 USD
Retailer 7$3,840 USD
Retailer 8$4,114 USD
Retailer 2$4,132 USD
Retailer 15$5,135 USD
Retailer 3$5,787 USD
Retailer 9$6,497 USD
Retailer 1$6,780 USD

35 data points across 17 retailers

26 retailers$1,997 USD to $6,780 USD

Retailer 1
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$1,241 USD
Price last confirmed 10 days ago
Retailer 2
-
$1,241 USD
View
Price last confirmed 24 days ago
Retailer 3
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$1,241 USD
View
Price last confirmed 32 days ago
Retailer 4
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$1,351 USD
View
Price last confirmed 34 days ago
Retailer 5
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$1,420 USD
View
Price last confirmed 35 days ago
Retailer 6
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$1,440 USD
View
Price last confirmed 29 days ago
Retailer 7
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$1,535 USD
View
Price last confirmed 9 days ago
Retailer 8
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$1,713 USD
View
Price last confirmed 10 days ago
A
Retailer 9
-
$1,997 USD
HK$15,600 HKD
View
Retailer 10
-
$2,274 USD
£1,791 GBP
View
Price last confirmed 9 days ago
Retailer 11
-
$2,388 USD
View
Price last confirmed 11 days ago
Retailer 12
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$2,661 USD
View
Price last confirmed 8 days ago
Retailer 13
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$2,759 USD
View
Price last confirmed 10 days ago
Retailer 14
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$2,979 USD
View
Price last confirmed 10 days ago
Retailer 15
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$2,979 USD
View
Price last confirmed 31 days ago
Retailer 16
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$2,979 USD
View
Price last confirmed 21 days ago
Retailer 17
-
$3,596 USD
A$5,532 AUD
View
Price last confirmed 10 days ago
Retailer 18
-
$3,651 USD
ZAR 58,975 ZAR
View
Price last confirmed 12 days ago
Retailer 19
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$3,840 USD
£3,024 GBP
View
Price last confirmed 10 days ago
Retailer 20
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$4,114 USD
View
Price last confirmed 10 days ago
Retailer 21
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$4,132 USD
View
Price last confirmed 10 days ago
Retailer 22
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$5,135 USD
£4,043 GBP
View
Price last confirmed 13 days ago
Retailer 23
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$5,636 USD
View
Price last confirmed 10 days ago
Retailer 24
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$5,787 USD
SGD 7,820 SGD
View
Price last confirmed 11 days ago
B
Retailer 25
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$6,780 USD
View
Most Expensive
Do Amore Diamonds
27-BD7A533E8 · Oct 23
$11,020 USD
View
Price last confirmed 9 days ago
25 more retailers have this diamond
Prices start from $1,997 USDSave up to $4,783 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
3.74ct Radiant
$1,997 USD