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Round|Lab Grown|IGI

3.54ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG720508784

Certificate IGI LG720508784

Diamond specifications and retailer prices

From $1,321 USD
Save $17,999 USD (93%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $19,320 USD at Brilliant Earth
View at Brilliant Earth

About this 3.54ct lab-grown round diamond

This 3.54ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG720508784 or 720508784. Listed at 26 retailers, with prices from $1,321 to $19,320 at Brilliant Earth, a $17,999 spread on the same certified stone. 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

3.54
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG720508784
Dimensions9.84 × 9.75 × 6.00 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS 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
9.84 mm9.75 mm3.54 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG720508784
Side View
Table 57.0%Crown 33.9°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 28
Current: $19,320 USD|Low: $1,055 USD|High: $19,320 USD|Avg: $4,009 USD
Brilliant Earth
Retailer 2
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Retailer 24
October 1, 2026
Retailer 7$1,321 USD
Retailer 13$1,413 USD
Retailer 8$1,511 USD
Retailer 9$1,532 USD
Retailer 4$1,705 USD
Retailer 20$1,758 USD
Retailer 12$1,766 USD
Retailer 11$1,779 USD
Retailer 23$2,063 USD
Retailer 24$2,240 USD
Retailer 18$2,408 USD
Retailer 15$2,856 USD
Retailer 17$2,864 USD
Retailer 10$2,872 USD
Retailer 14$3,086 USD
Retailer 6$3,464 USD
Retailer 5$3,494 USD
Retailer 3$4,519 USD
Retailer 16$4,771 USD
Retailer 19$4,982 USD
Retailer 2$5,137 USD
Retailer 22$5,314 USD
Retailer 21$6,263 USD
Brilliant Earth$19,320 USD

40 data points across 24 retailers

26 retailers$1,321 USD to $19,320 USD

A
Cheapest Retailer
-
$1,321 USD
A
Retailer 2
-
$1,413 USD
View
A
Retailer 3
-
$1,511 USD
View
A
Retailer 4
-
$1,532 USD
View
A
Retailer 5
-
$1,705 USD
View
A
Retailer 6
-
$1,758 USD
£1,385 GBP
View
A
Retailer 7
-
$1,766 USD
HK$13,800 HKD
View
A
Retailer 8
-
$1,779 USD
View
A
Retailer 9
-
$2,063 USD
£1,624 GBP
View
A
Retailer 10
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$2,240 USD
View
A
Retailer 11
-
$2,408 USD
€2,293 EUR
View
A
Retailer 12
-
$2,856 USD
View
A
Retailer 13
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$2,864 USD
View
A
Retailer 14
-
$2,872 USD
View
A
Retailer 15
-
$3,086 USD
A$4,748 AUD
View
A
Retailer 16
-
$3,464 USD
A$5,329 AUD
View
A
Retailer 17
-
$3,494 USD
ZAR 56,438 ZAR
View
B+
Retailer 18
-
$4,519 USD
View
B+
Retailer 19
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$4,534 USD
View
B+
Retailer 20
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$4,771 USD
View
B+
Retailer 21
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$4,982 USD
£3,923 GBP
View
B+
Retailer 22
-
$5,137 USD
View
B+
Retailer 23
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$5,314 USD
View
B+
Retailer 24
-
$6,263 USD
A$9,636 AUD
View
B+
Retailer 25
-
$7,582 USD
£5,970 GBP
View
Most Expensive
B
Brilliant Earth
14943386A · Sep 29
$19,320 USD
View
25 more retailers have this diamond
Prices start from $1,321 USDSave up to $17,999 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.

A
3.54ct Round
$1,321 USD