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Marquise|Lab Grown|IGI

6.18ct G VS2 Marquise Lab Grown Diamond

GD • G/VS2 • IGI LG596337394

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG596337394

Diamond specifications and retailer prices

From $1,335 AUD
$938 USD
As of October 30, 2026
Save $10,523 AUD (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $11,859 AUD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 6.18ct lab-grown marquise diamond

This 6.18ct lab-grown marquise sits in the over five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a standard cut grade and certified by IGI LG596337394 or 596337394. Listed at 11 retailers as of October 30, 2026, with prices from $1,335 to $11,859, a $10,523 spread on the same certified stone. Do Amore Diamonds lists it at $11,859. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

6.18
Carat
G
Colour
VS2
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG596337394
Dimensions19.43 × 9.60 × 5.83 mm
L/W Ratio2.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
19.43 mm9.60 mm6.18 ctG / VS2
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG596337394
Side View
Table 58.0%Crown 35.1°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 60.7%

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: Oct 30
Current: $11,859 AUD|Low: $1,335 AUD|High: $12,499 AUD|Avg: $4,665 AUD|-5.1%
Do Amore Diamonds
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
Retailer 16
Retailer 17
Retailer 18
November 1, 2026
Retailer 14$1,335 AUD
Retailer 12$1,453 AUD
Retailer 17$1,576 AUD
Retailer 6$1,824 AUD
Retailer 7$1,980 AUD
Retailer 16$2,480 AUD
Retailer 11$2,484 AUD
Retailer 15$3,205 AUD
Retailer 13$3,338 AUD
Retailer 3$3,402 AUD
Retailer 9$3,632 AUD
Retailer 5$4,166 AUD
Retailer 4$5,381 AUD
Retailer 2$5,798 AUD
Retailer 10$7,572 AUD
Retailer 8$7,816 AUD
Retailer 18$9,367 AUD
Do Amore Diamonds$11,859 AUD

15 data points across 18 retailers

11 retailers$1,335 AUD to $11,859 AUD

A
Cheapest Retailer
-
$1,335 AUD
$938 USD
A
Retailer 2
-
$1,453 AUD
$1,021 USD
View
B+
Retailer 3
-
$1,576 AUD
$1,107 USD
View
Final sale: no returns
B+
Retailer 4
-
$2,480 AUD
$1,742 USD
View
B+
Retailer 5
-
$2,484 AUD
$1,745 USD
View
B+
Retailer 6
-
$3,205 AUD
$2,251 USD
View
B+
Retailer 7
-
$3,338 AUD
$2,345 USD
View
B
Retailer 8
-
$5,798 AUD
£3,207 GBP
View
B
Retailer 9
-
$7,816 AUD
$5,490 USD
View
C
Retailer 10
-
$9,367 AUD
$6,580 USD
View
Most Expensive
C
Do Amore Diamonds
27-8BB2E31E4 · Oct 31
$11,859 AUD
$8,330 USD
View
10 more retailers have this diamond
Prices start from $1,335 AUDSave up to $10,523 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
6.18ct Marquise
$1,335 AUD