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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 $547 NZD
$307 USD
As of October 23, 2026
Save $5,952 NZD (92%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $6,499 NZD 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 $547 to $6,499, a $5,952 spread on the same certified stone. Brilliant Earth lists it at $6,499. 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
Colour
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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 23
Current: $6,499 NZD|Low: $525 NZD|High: $6,695 NZD|Avg: $1,765 NZD|-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$547 NZD
Retailer 7$611 NZD
Retailer 16$634 NZD
Retailer 8$678 NZD
Retailer 9$752 NZD
Retailer 2$908 NZD
Retailer 13$1,056 NZD
Retailer 15$1,107 NZD
Retailer 10$1,198 NZD
Retailer 5$1,250 NZD
Retailer 3$1,672 NZD
Retailer 14$1,756 NZD
Retailer 6$2,174 NZD
Retailer 4$2,179 NZD
Retailer 11$2,720 NZD
Retailer 12$3,641 NZD
Brilliant Earth$6,499 NZD

38 data points across 17 retailers

17 retailers$547 NZD to $6,499 NZD

A
Cheapest Retailer
-
$547 NZD
$307 USD
A
Retailer 2
-
$611 NZD
$343 USD
View
Final sale: no returns
A
Retailer 3
-
$634 NZD
$356 USD
View
A
Retailer 4
-
$678 NZD
$381 USD
View
A
Retailer 5
-
$752 NZD
HK$3,300 HKD
View
A
Retailer 6
-
$908 NZD
£402 GBP
View
A
Retailer 7
-
$1,056 NZD
€565 EUR
View
B+
Retailer 8
-
$1,107 NZD
$622 USD
View
A
Retailer 9
-
$1,198 NZD
£530 GBP
View
A
Retailer 10
-
$1,250 NZD
$702 USD
View
B+
Retailer 11
-
$1,672 NZD
$939 USD
View
B+
Retailer 12
-
$1,756 NZD
$986 USD
View
B+
Retailer 13
-
$2,174 NZD
SGD 1,650 SGD
View
B+
Retailer 14
-
$2,179 NZD
$1,224 USD
View
B+
Retailer 15
-
$2,720 NZD
£1,203 GBP
View
B
Retailer 16
-
$3,641 NZD
$2,045 USD
View
Most Expensive
B
Brilliant Earth
14415120A · Oct 29
$6,499 NZD
$3,650 USD
View
16 more retailers have this diamond
Prices start from $547 NZDSave up to $5,952 NZD

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
$547 NZD