CaratHunter
Plans
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 $2,618 AUD
$1,835 USD
As of November 2, 2026
Save $18,671 AUD (88%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $21,289 AUD at Brilliant Earth · As of October 31, 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 October 31, 2026, with prices from $2,618 to $21,289, a $18,671 spread on the same certified stone. Brilliant Earth lists it at $21,289. 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: $21,289 AUD|Low: $2,518 AUD|High: $22,231 AUD|Avg: $6,871 AUD|+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$2,618 AUD
Retailer 2$3,340 AUD
Retailer 5$3,409 AUD
Retailer 8$4,005 AUD
Retailer 7$4,312 AUD
Retailer 4$4,422 AUD
Retailer 3$6,603 AUD
Retailer 12$6,961 AUD
Retailer 10$7,169 AUD
Retailer 6$10,264 AUD
Retailer 9$14,098 AUD
Brilliant Earth$21,289 AUD

25 data points across 12 retailers

11 retailers$2,618 AUD to $21,289 AUD

A
Cheapest Retailer
-
$2,618 AUD
$1,835 USD
B+
Retailer 2
-
$3,340 AUD
$2,341 USD
View
A
Retailer 3
-
$3,409 AUD
$2,389 USD
View
A
Retailer 4
-
$4,005 AUD
€2,673 EUR
View
A
Retailer 5
-
$4,312 AUD
$3,022 USD
View
Retailer 6
-
$6,603 AUD
$4,627 USD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$6,961 AUD
$4,878 USD
View
B+
Retailer 8
-
$7,169 AUD
$5,024 USD
View
B
Retailer 9
-
$10,264 AUD
View
B
Retailer 10
-
$14,098 AUD
$9,880 USD
View
Most Expensive
B
Brilliant Earth
19671432A · Oct 31
$21,289 AUD
$14,920 USD
View
10 more retailers have this diamond
Prices start from $2,618 AUDSave up to $18,671 AUD

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
$2,618 AUD