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Marquise|Lab Grown|IGI

6.38ct G VS2 Marquise Lab Grown Diamond

EX • G/VS2 • IGI LG613352248

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG613352248

Diamond specifications and retailer prices

From $1,550 NZD
$872 USD
As of November 2, 2026
Save $4,074 NZD (72%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $6,756 NZD at Taylor and Hart · As of October 18, 2026
View at Taylor and Hart

About this 6.38ct lab-grown marquise diamond

This 6.38ct lab-grown marquise sits in the over five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG613352248 or 613352248. Listed at 16 retailers as of October 31, 2026, with a 263% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
G
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG613352248
Dimensions18.62 × 9.79 × 6.13 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
18.62 mm9.79 mm6.38 ctG / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG613352248
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.6%

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: Nov 2
Current: $1,550 NZD|Low: $1,550 NZD|High: $6,674 NZD|Avg: $3,564 NZD|-7.4%
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
November 2, 2026
Retailer 1$1,550 NZD
Retailer 9$1,685 NZD
Retailer 12$1,797 NZD
Retailer 5$1,875 NZD
Retailer 11$1,946 NZD
Retailer 8$2,764 NZD
Retailer 6$2,792 NZD
Retailer 10$2,886 NZD
Retailer 4$4,186 NZD
Retailer 7$4,330 NZD
Retailer 13$4,957 NZD
Retailer 14$5,053 NZD
Retailer 2$5,623 NZD
Retailer 3$6,593 NZD

44 data points across 14 retailers

16 retailers$1,550 NZD to $5,623 NZD

A
Cheapest Retailer
-
$1,550 NZD
$872 USD
A
Retailer 2
-
$1,685 NZD
$948 USD
View
A
Retailer 3
-
$1,797 NZD
$1,011 USD
View
A
Retailer 4
-
$1,875 NZD
$1,055 USD
View
Final sale: no returns
Retailer 5
-
$1,943 NZD
$1,093 USD
View
Price last confirmed 16 days ago
A
Retailer 6
-
$1,946 NZD
$1,095 USD
View
A
Retailer 7
-
$2,764 NZD
£1,224 GBP
View
A
Retailer 8
-
$2,792 NZD
$1,571 USD
View
B+
Retailer 9
-
$2,886 NZD
$1,624 USD
View
B+
Retailer 10
-
$4,186 NZD
$2,355 USD
View
B+
Retailer 11
-
$4,330 NZD
$2,436 USD
View
B+
Retailer 12
-
$4,957 NZD
£2,196 GBP
View
B
Retailer 13
-
$5,053 NZD
$2,843 USD
View
B+
Retailer 14
-
$5,623 NZD
$3,164 USD
View
Retailer 15
-
$6,593 NZD
£2,921 GBP
View
Price last confirmed 8 days ago
Most Expensive
Taylor and Hart
PW2SYT1 · Oct 18
$6,756 NZD
$3,801 USD
View
Price last confirmed 15 days ago
15 more retailers have this diamond
Prices start from $1,550 NZDSave up to $4,074 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 Marquise
$1,550 NZD