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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 $1,664 NZD
$938 USD
As of October 30, 2026
Save $13,116 NZD (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $14,780 NZD 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 $1,664 to $14,780, a $13,116 spread on the same certified stone. Do Amore Diamonds lists it at $14,780. 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: $14,780 NZD|Low: $1,664 NZD|High: $15,578 NZD|Avg: $5,814 NZD|-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$1,664 NZD
Retailer 12$1,812 NZD
Retailer 17$1,964 NZD
Retailer 6$2,273 NZD
Retailer 7$2,468 NZD
Retailer 16$3,091 NZD
Retailer 11$3,096 NZD
Retailer 15$3,994 NZD
Retailer 13$4,161 NZD
Retailer 3$4,241 NZD
Retailer 9$4,526 NZD
Retailer 5$5,192 NZD
Retailer 4$6,706 NZD
Retailer 2$7,227 NZD
Retailer 10$9,438 NZD
Retailer 8$9,741 NZD
Retailer 18$11,675 NZD
Do Amore Diamonds$14,780 NZD

15 data points across 18 retailers

11 retailers$1,664 NZD to $14,780 NZD

A
Cheapest Retailer
-
$1,664 NZD
$938 USD
A
Retailer 2
-
$1,812 NZD
$1,021 USD
View
B+
Retailer 3
-
$1,964 NZD
$1,107 USD
View
Final sale: no returns
B+
Retailer 4
-
$3,091 NZD
$1,742 USD
View
B+
Retailer 5
-
$3,096 NZD
$1,745 USD
View
B+
Retailer 6
-
$3,994 NZD
$2,251 USD
View
B+
Retailer 7
-
$4,161 NZD
$2,345 USD
View
B
Retailer 8
-
$7,227 NZD
£3,207 GBP
View
B
Retailer 9
-
$9,741 NZD
$5,490 USD
View
C
Retailer 10
-
$11,675 NZD
$6,580 USD
View
Most Expensive
C
Do Amore Diamonds
27-8BB2E31E4 · Oct 31
$14,780 NZD
$8,330 USD
View
10 more retailers have this diamond
Prices start from $1,664 NZDSave up to $13,116 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
6.18ct Marquise
$1,664 NZD