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Radiant|Lab Grown|IGI

6.38ct E VS1 Radiant Lab Grown Diamond

ID • E/VS1 • IGI LG815615575

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

Certificate IGI LG815615575

Diamond specifications and retailer prices

From $1,996 NZD
$1,125 USD
As of October 30, 2026
Save $15,729 NZD (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $17,725 NZD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 6.38ct lab-grown radiant diamond

This 6.38ct lab-grown radiant sits in the over five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG815615575 or 815615575. Listed at 16 retailers as of October 30, 2026, with prices from $1,996 to $17,725, a $15,729 spread on the same certified stone. Do Amore Diamonds lists it at $17,725. 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

6.38
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.4°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815615575
Dimensions13.04 × 9.07 × 6.27 mm
L/W Ratio1.44
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.04 mm9.07 mm6.38 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815615575
Side View
Table 63.0%Crown 42.4°Girdle: MED-STKPavilion 35°Culet: NoneDepth 69.1%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: $13,733 NZD|Low: $1,916 NZD|High: $26,135 NZD|Avg: $6,216 NZD|-47.0%
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
October 30, 2026
Retailer 12$1,996 NZD
Retailer 2$2,172 NZD
Retailer 6$2,234 NZD
Retailer 4$2,314 NZD
Retailer 13$2,314 NZD
Retailer 10$2,626 NZD
Retailer 5$3,137 NZD
Retailer 8$3,599 NZD
Retailer 14$4,789 NZD
Retailer 9$4,944 NZD
Retailer 3$6,549 NZD
Retailer 11$10,522 NZD
Retailer 1$13,733 NZD
Retailer 7$15,690 NZD

42 data points across 14 retailers

16 retailers$1,996 NZD to $17,725 NZD

A
Cheapest Retailer
-
$1,996 NZD
$1,125 USD
A
Retailer 2
-
$2,172 NZD
$1,224 USD
View
A
Retailer 3
-
$2,234 NZD
$1,259 USD
View
Final sale: no returns
A
Retailer 4
-
$2,314 NZD
$1,304 USD
View
Retailer 5
-
$2,314 NZD
$1,304 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$2,626 NZD
$1,480 USD
View
A
Retailer 7
-
$3,137 NZD
$1,768 USD
View
A
Retailer 8
-
$3,599 NZD
£1,597 GBP
View
B+
Retailer 9
-
$4,789 NZD
$2,699 USD
View
B+
Retailer 10
-
$4,944 NZD
ZAR 45,012 ZAR
View
B+
Retailer 11
-
$6,165 NZD
£2,736 GBP
View
B+
Retailer 12
-
$6,549 NZD
$3,691 USD
View
Retailer 13
-
$10,522 NZD
$5,930 USD
View
Price last confirmed 12 days ago
B
Retailer 14
-
$13,733 NZD
$7,740 USD
View
B
Retailer 15
-
$15,690 NZD
$8,843 USD
View
Most Expensive
B
Do Amore Diamonds
27-8E755B902 · Oct 31
$17,725 NZD
$9,990 USD
View
15 more retailers have this diamond
Prices start from $1,996 NZDSave up to $15,729 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
6.38ct Radiant
$1,996 NZD