Radiant|Lab Grown|IGI

3.08ct E SI2 Radiant Lab Grown Diamond

ID • E/SI2 • IGI LG635406646

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

Certificate IGI LG635406646

Diamond specifications and retailer prices

From $307 USD
As of October 23, 2026
Save $3,343 USD (92%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,650 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.08ct lab-grown radiant diamond

This 3.08ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG635406646 or 635406646. Listed at 17 retailers as of October 23, 2026, with prices from $307 to $3,650, a $3,343 spread on the same certified stone. Brilliant Earth lists it at $3,650. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.08
Carat
E
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.7°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG635406646
Dimensions9.65 × 7.25 × 5.11 mm
L/W Ratio1.33
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.65 mm7.25 mm3.08 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG635406646
Side View
Table 65.0%Crown 46.7°Girdle: Slightly ThickPavilion 35.3°Culet: NoneDepth 70.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 23
Current: $3,650 USD|Low: $295 USD|High: $3,760 USD|Avg: $991 USD|-2.9%
Brilliant Earth
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 27, 2026
Retailer 17$307 USD
Retailer 7$343 USD
Retailer 16$356 USD
Retailer 8$381 USD
Retailer 9$422 USD
Retailer 2$510 USD
Retailer 13$593 USD
Retailer 15$622 USD
Retailer 10$673 USD
Retailer 5$702 USD
Retailer 3$939 USD
Retailer 14$986 USD
Retailer 6$1,221 USD
Retailer 4$1,224 USD
Retailer 11$1,528 USD
Retailer 12$2,045 USD
Brilliant Earth$3,650 USD

38 data points across 17 retailers

17 retailers$307 USD to $3,650 USD

A
Cheapest Retailer
-
$307 USD
A
Retailer 2
-
$343 USD
View
Final sale: no returns
A
Retailer 3
-
$356 USD
View
A
Retailer 4
-
$381 USD
View
A
Retailer 5
-
$422 USD
HK$3,300 HKD
View
A
Retailer 6
-
$510 USD
£402 GBP
View
A
Retailer 7
-
$593 USD
€565 EUR
View
B+
Retailer 8
-
$622 USD
View
A
Retailer 9
-
$673 USD
£530 GBP
View
A
Retailer 10
-
$702 USD
View
B+
Retailer 11
-
$939 USD
View
B+
Retailer 12
-
$986 USD
View
B+
Retailer 13
-
$1,221 USD
SGD 1,650 SGD
View
B+
Retailer 14
-
$1,224 USD
View
B+
Retailer 15
-
$1,528 USD
£1,203 GBP
View
B
Retailer 16
-
$2,045 USD
View
Most Expensive
B
Brilliant Earth
14415120A · Oct 29
$3,650 USD
View
16 more retailers have this diamond
Prices start from $307 USDSave up to $3,343 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
3.08ct Radiant
$307 USD