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Radiant|Lab Grown|IGI

3.47ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG677521070

Certificate IGI LG677521070

Diamond specifications and retailer prices

From $1,305 USD
Save $12,375 USD (90%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $13,680 USD at Brilliant Earth
View at Brilliant Earth

About this 3.47ct lab-grown radiant diamond

This 3.47ct lab-grown radiant 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 LG677521070 or 677521070. Listed at 26 retailers, with prices from $1,305 to $13,680 at Brilliant Earth, a $12,375 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

3.47
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.6°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677521070
Dimensions10.65 × 7.67 × 5.06 mm
L/W Ratio1.39
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
10.65 mm7.67 mm3.47 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677521070
Side View
Table 62.0%Crown 39.6°Girdle: MediumPavilion 34.4°Culet: NoneDepth 66.0%

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 30
Current: $13,680 USD|Low: $1,075 USD|High: $13,680 USD|Avg: $4,206 USD
Brilliant Earth
Retailer 2
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Retailer 21
October 1, 2026
Retailer 17$1,610 USD
Retailer 3$1,681 USD
Retailer 5$1,759 USD
Retailer 9$2,028 USD
Retailer 16$2,112 USD
Retailer 18$2,414 USD
Retailer 6$2,628 USD
Retailer 19$2,821 USD
Retailer 8$2,889 USD
Retailer 21$3,777 USD
Retailer 20$3,808 USD
Retailer 7$4,039 USD
Retailer 14$4,351 USD
Retailer 10$4,668 USD
Retailer 12$4,670 USD
Retailer 13$4,829 USD
Retailer 2$5,738 USD
Retailer 11$6,101 USD
Retailer 15$7,715 USD
Retailer 4$8,980 USD
Brilliant Earth$13,680 USD

39 data points across 21 retailers

26 retailers$1,305 USD to $13,680 USD

A
Cheapest Retailer
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$1,305 USD
A
Retailer 2
-
$1,419 USD
View
A
Retailer 3
-
$1,492 USD
View
A
Retailer 4
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$1,610 USD
View
A
Retailer 5
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$1,681 USD
View
A
Retailer 6
-
$1,759 USD
View
A
Retailer 7
-
$2,028 USD
View
A
Retailer 8
-
$2,112 USD
HK$16,500 HKD
View
A
Retailer 9
-
$2,420 USD
£1,905 GBP
View
A
Retailer 10
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$2,444 USD
£1,924 GBP
View
Price last confirmed 21 days ago
A
Retailer 11
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$2,628 USD
€2,503 EUR
View
A
Retailer 12
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$2,821 USD
View
A
Retailer 13
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$2,889 USD
View
A
Retailer 14
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$3,131 USD
View
A
Retailer 15
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$3,777 USD
A$5,810 AUD
View
A
Retailer 16
-
$3,808 USD
ZAR 61,523 ZAR
View
A
Retailer 17
-
$4,039 USD
£3,180 GBP
View
A
Retailer 18
-
$4,351 USD
View
A
Retailer 19
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$4,668 USD
View
B+
Retailer 20
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$4,670 USD
View
B+
Retailer 21
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$4,829 USD
£3,802 GBP
View
B+
Retailer 22
-
$5,738 USD
View
B+
Retailer 23
-
$6,101 USD
SGD 8,245 SGD
View
B+
Retailer 24
-
$7,715 USD
A$11,869 AUD
View
B+
Retailer 25
-
$8,980 USD
View
Most Expensive
B
Brilliant Earth
13508982Y · Oct 1
$13,680 USD
View
25 more retailers have this diamond
Prices start from $1,305 USDSave up to $12,375 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
3.47ct Radiant
$1,305 USD