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Marquise|Lab Grown|IGI

10.21ct F VS2 Marquise Lab Grown Diamond

EX • F/VS2 • IGI LG782685071

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG782685071

Diamond specifications and retailer prices

From $3,261 NZD
$1,835 USD
As of November 2, 2026
Save $23,256 NZD (88%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $26,517 NZD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 10.21ct lab-grown marquise diamond

This 10.21ct lab-grown marquise sits in the over five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG782685071 or 782685071. Listed at 11 retailers as of November 2, 2026, with prices from $3,261 to $26,517, a $23,256 spread on the same certified stone. Brilliant Earth lists it at $26,517. 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

10.21
Carat
F
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG782685071
Dimensions22.78 × 11.30 × 7.01 mm
L/W Ratio2.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
22.78 mm11.30 mm10.21 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG782685071
Side View
Table 59.0%Crown 34.9°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 62.0%

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: $26,517 NZD|Low: $3,137 NZD|High: $27,690 NZD|Avg: $8,558 NZD|+47.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 11$3,261 NZD
Retailer 2$4,161 NZD
Retailer 5$4,246 NZD
Retailer 8$4,988 NZD
Retailer 7$5,371 NZD
Retailer 4$5,508 NZD
Retailer 3$8,224 NZD
Retailer 12$8,670 NZD
Retailer 10$8,929 NZD
Retailer 6$12,784 NZD
Retailer 9$17,560 NZD
Brilliant Earth$26,517 NZD

25 data points across 12 retailers

11 retailers$3,261 NZD to $26,517 NZD

A
Cheapest Retailer
-
$3,261 NZD
$1,835 USD
B+
Retailer 2
-
$4,161 NZD
$2,341 USD
View
A
Retailer 3
-
$4,246 NZD
$2,389 USD
View
A
Retailer 4
-
$4,988 NZD
€2,673 EUR
View
A
Retailer 5
-
$5,371 NZD
$3,022 USD
View
Retailer 6
-
$8,224 NZD
$4,627 USD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$8,670 NZD
$4,878 USD
View
B+
Retailer 8
-
$8,929 NZD
$5,024 USD
View
B
Retailer 9
-
$12,784 NZD
A$11,066 AUD
View
B
Retailer 10
-
$17,560 NZD
$9,880 USD
View
Most Expensive
B
Brilliant Earth
19671432A · Nov 2
$26,517 NZD
$14,920 USD
View
10 more retailers have this diamond
Prices start from $3,261 NZDSave up to $23,256 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
10.21ct Marquise
$3,261 NZD