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Marquise|Lab Grown|IGI

1.20ct E VS1 Marquise Lab Grown Diamond

EX • E/VS1 • IGI LG818657945

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818657945

Diamond specifications and retailer prices

From $411 NZD
$231 USD
As of November 1, 2026
Save $1,753 NZD (81%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,163 NZD at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 1.2ct lab-grown marquise diamond

This 1.2ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818657945 or 818657945. Listed at 22 retailers as of November 1, 2026, with prices from $411 to $2,163, a $1,753 spread on the same certified stone. Reve Diamonds lists it at $2,163. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818657945
Dimensions10.50 × 5.48 × 3.39 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
10.50 mm5.48 mm1.20 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818657945
Side View
Table 58.0%Crown 37.3°Girdle: THK-VTKPavilion 37.1°Culet: NoneDepth 61.9%

Caratlytics Score

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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 1
Current: $835 NZD|Low: $411 NZD|High: $1,853 NZD|Avg: $967 NZD|+3.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 3$411 NZD
Retailer 5$457 NZD
Retailer 4$619 NZD
Retailer 10$746 NZD
Retailer 6$789 NZD
Retailer 1$835 NZD
Retailer 8$957 NZD
Retailer 12$1,117 NZD
Retailer 13$1,120 NZD
Retailer 2$1,178 NZD
Retailer 9$1,280 NZD
Retailer 11$1,296 NZD
Retailer 7$1,831 NZD

43 data points across 13 retailers

22 retailers$411 NZD to $2,163 NZD

Retailer 1
-
$354 NZD
$199 USD
Price last confirmed 31 days ago
A
Retailer 2
-
$411 NZD
$231 USD
View
Final sale: no returns
Retailer 3
-
$428 NZD
$241 USD
View
Price last confirmed 34 days ago
Retailer 4
-
$457 NZD
$257 USD
View
Price last confirmed 30 days ago
A
Retailer 5
-
$523 NZD
HK$2,300 HKD
View
B+
Retailer 6
-
$619 NZD
$348 USD
View
A
Retailer 7
-
$746 NZD
€400 EUR
View
A
Retailer 8
-
$773 NZD
$435 USD
View
A
Retailer 9
-
$789 NZD
ZAR 7,171 ZAR
View
A
Retailer 10
-
$835 NZD
£370 GBP
View
B+
Retailer 11
-
$957 NZD
A$828 AUD
View
B+
Retailer 12
-
$1,117 NZD
A$967 AUD
View
B+
Retailer 13
-
$1,120 NZD
$630 USD
View
B
Retailer 14
-
$1,178 NZD
$663 USD
View
B+
Retailer 15
-
$1,280 NZD
$720 USD
View
B+
Retailer 16
-
$1,296 NZD
A$1,122 AUD
View
Retailer 17
-
$1,470 NZD
$827 USD
View
Price last confirmed 33 days ago
B
Retailer 18
-
$1,487 NZD
SGD 1,131 SGD
View
B
Retailer 19
-
$1,559 NZD
$877 USD
View
B
Retailer 20
-
$1,564 NZD
$880 USD
View
B
Retailer 21
-
$1,831 NZD
£811 GBP
View
Most Expensive
B
Reve Diamonds
02ACDE5D5 · Nov 1
$2,163 NZD
$1,217 USD
View
21 more retailers have this diamond
Prices start from $411 NZDSave up to $1,753 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
1.20ct Marquise
$411 NZD