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Marquise|Lab Grown|IGI

3.90ct D VS2 Marquise Lab Grown Diamond

ID • D/VS2 • IGI LG800657686

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG800657686

Diamond specifications and retailer prices

From $2,097 NZD
$1,182 USD
As of November 1, 2026
Save $6,001 NZD (74%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $8,098 NZD at Frank Darling · As of November 1, 2026
View at Frank Darling

About this 3.9ct lab-grown marquise diamond

This 3.9ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG800657686 or 800657686. Listed at 9 retailers as of November 1, 2026, with prices from $2,097 to $8,098, a $6,001 spread on the same certified stone. Frank Darling lists it at $8,098. 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

3.90
Carat
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800657686
Dimensions15.66 × 8.33 × 5.21 mm
L/W Ratio1.88
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.66 mm8.33 mm3.90 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800657686
Side View
Table 63.0%Crown 36.1°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.5%

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 1
Current: $8,098 NZD|Low: $2,097 NZD|High: $8,576 NZD|Avg: $4,609 NZD|-5.6%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 7$2,097 NZD
Retailer 4$2,612 NZD
Retailer 8$2,616 NZD
Retailer 6$2,692 NZD
Retailer 5$3,115 NZD
Retailer 9$4,993 NZD
Retailer 3$6,115 NZD
Retailer 2$6,934 NZD
Frank Darling$8,098 NZD

28 data points across 9 retailers

9 retailers$2,097 NZD to $8,098 NZD

A
Cheapest Retailer
-
$2,097 NZD
$1,182 USD
A
Retailer 2
-
$2,612 NZD
$1,472 USD
View
A
Retailer 3
-
$2,616 NZD
$1,474 USD
View
A
Retailer 4
-
$2,692 NZD
$1,517 USD
View
A
Retailer 5
-
$3,115 NZD
€1,672 EUR
View
Retailer 6
-
$4,993 NZD
$2,814 USD
View
Price last confirmed 13 days ago
B
Retailer 7
-
$6,115 NZD
A$5,302 AUD
View
B
Retailer 8
-
$6,934 NZD
£3,077 GBP
View
Most Expensive
B
Frank Darling
100756109481BD · Nov 1
$8,098 NZD
$4,564 USD
View
8 more retailers have this diamond
Prices start from $2,097 NZDSave up to $6,001 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
3.90ct Marquise
$2,097 NZD