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Marquise|Lab Grown|IGI

3.92ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG812632354

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG812632354

Diamond specifications and retailer prices

From $1,006 NZD
$566 USD
As of November 3, 2026
Save $5,503 NZD (85%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $6,509 NZD at Frank Darling · As of November 2, 2026
View at Frank Darling

About this 3.92ct lab-grown marquise diamond

This 3.92ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG812632354 or 812632354. Listed at 5 retailers as of November 2, 2026, with prices from $1,006 to $6,509, a $5,503 spread on the same certified stone. Frank Darling lists it at $6,509. 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

3.92
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812632354
Dimensions16.83 × 8.31 × 5.02 mm
L/W Ratio2.03
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.83 mm8.31 mm3.92 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812632354
Side View
Table 60.0%Crown 34.6°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.4%

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 3
Current: $6,509 NZD|Low: $1,006 NZD|High: $6,509 NZD|Avg: $2,857 NZD|+0.0%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 2$1,006 NZD
Retailer 4$1,401 NZD
Retailer 6$1,709 NZD
Retailer 5$3,657 NZD
Retailer 3$4,632 NZD
Frank Darling$6,509 NZD

14 data points across 6 retailers

5 retailers$1,006 NZD to $6,509 NZD

A
Cheapest Retailer
-
$1,006 NZD
$566 USD
Final sale: no returns
B+
Retailer 2
-
$1,401 NZD
$788 USD
View
B+
Retailer 3
-
$3,657 NZD
$2,057 USD
View
Retailer 4
-
$4,632 NZD
$2,605 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Frank Darling
100748349549KD · Nov 2
$6,509 NZD
$3,661 USD
View
4 more retailers have this diamond
Prices start from $1,006 NZDSave up to $5,503 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
3.92ct Marquise
$1,006 NZD