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Marquise|Lab Grown|IGI

12.03ct G VVS2 Marquise Lab Grown Diamond

ID • G/VVS2 • IGI LG772674403

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG772674403

Diamond specifications and retailer prices

From $3,055 AUD
$2,146 USD
As of November 1, 2026
Save $14,683 AUD (83%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $17,738 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 12.03ct lab-grown marquise diamond

This 12.03ct lab-grown marquise sits in the over five carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG772674403 or 772674403. Listed at 22 retailers as of October 31, 2026, with prices from $3,055 to $17,738, a $14,683 spread on the same certified stone. Brilliant Earth lists it at $17,738. 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

12.03
Carat
G
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG772674403
Dimensions23.66 × 12.31 × 6.68 mm
L/W Ratio1.92
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
23.66 mm12.31 mm12.03 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG772674403
Side View
Table 66.0%Crown 37.7°Girdle: STK-THKPavilion 34.3°Culet: NoneDepth 54.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $17,738 AUD|Low: $3,055 AUD|High: $31,675 AUD|Avg: $6,345 AUD|-44.0%
Brilliant Earth
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
Retailer 15
November 2, 2026
Retailer 8$3,055 AUD
Retailer 5$3,165 AUD
Retailer 13$3,402 AUD
Retailer 6$3,876 AUD
Retailer 2$4,352 AUD
Retailer 3$4,524 AUD
Retailer 14$4,752 AUD
Retailer 11$4,899 AUD
Retailer 12$5,012 AUD
Retailer 9$5,863 AUD
Retailer 7$6,010 AUD
Retailer 15$8,008 AUD
Retailer 4$8,159 AUD
Retailer 10$15,432 AUD
Brilliant Earth$17,738 AUD

41 data points across 15 retailers

22 retailers$3,055 AUD to $17,738 AUD

Retailer 1
-
$2,728 AUD
$1,916 USD
Price last confirmed 25 days ago
Retailer 2
-
$2,968 AUD
$2,085 USD
View
Price last confirmed 34 days ago
A
Retailer 3
-
$3,055 AUD
$2,146 USD
View
Final sale: no returns
Retailer 4
-
$3,165 AUD
$2,223 USD
View
Price last confirmed 30 days ago
A
Retailer 5
-
$3,402 AUD
$2,390 USD
View
A
Retailer 6
-
$3,876 AUD
$2,723 USD
View
A
Retailer 7
-
$4,352 AUD
£2,407 GBP
View
B+
Retailer 8
-
$4,524 AUD
$3,178 USD
View
A
Retailer 9
-
$4,752 AUD
$3,338 USD
View
A
Retailer 10
-
$4,899 AUD
ZAR 55,593 ZAR
View
A
Retailer 11
-
$5,012 AUD
€3,353 EUR
View
B+
Retailer 12
-
$5,863 AUD
View
Retailer 13
-
$5,932 AUD
$4,167 USD
View
Price last confirmed 32 days ago
B+
Retailer 14
-
$6,010 AUD
£3,324 GBP
View
Retailer 15
-
$8,008 AUD
$5,625 USD
View
Price last confirmed 19 days ago
B+
Retailer 16
-
$8,159 AUD
$5,731 USD
View
B+
Retailer 17
-
$8,527 AUD
$5,990 USD
View
B+
Retailer 18
-
$9,054 AUD
$6,360 USD
View
B
Retailer 19
-
$11,081 AUD
$7,784 USD
View
B
Retailer 20
-
$13,900 AUD
$9,764 USD
View
B
Retailer 21
-
$15,432 AUD
$10,840 USD
View
Most Expensive
B
Brilliant Earth
20734158A · Oct 31
$17,738 AUD
$12,460 USD
View
21 more retailers have this diamond
Prices start from $3,055 AUDSave up to $14,683 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
12.03ct Marquise
$3,055 AUD