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Marquise|Lab Grown|IGI

3.09ct H VS1 Marquise Lab Grown Diamond

EX • H/VS1 • IGI LG818639599

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818639599

Diamond specifications and retailer prices

From $882 NZD
$497 USD
As of November 2, 2026
Save $3,681 NZD (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,563 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 3.09ct lab-grown marquise diamond

This 3.09ct lab-grown marquise sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818639599 or 818639599. Listed at 18 retailers as of November 1, 2026, with prices from $882 to $4,563, a $3,681 spread on the same certified stone. MOH London lists it at $4,563. 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

3.09
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818639599
Dimensions15.45 × 7.59 × 4.66 mm
L/W Ratio2.04
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.45 mm7.59 mm3.09 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818639599
Side View
Table 62.0%Crown 33.5°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.4%

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: $4,563 NZD|Low: $846 NZD|High: $4,673 NZD|Avg: $2,185 NZD|-2.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
Retailer 18
November 2, 2026
Retailer 6$882 NZD
Retailer 4$987 NZD
Retailer 8$987 NZD
Retailer 18$1,093 NZD
Retailer 10$1,104 NZD
Retailer 2$1,247 NZD
Retailer 17$1,340 NZD
Retailer 15$1,698 NZD
Retailer 13$1,751 NZD
Retailer 5$1,819 NZD
Retailer 12$2,309 NZD
Retailer 14$2,373 NZD
Retailer 11$2,575 NZD
Retailer 3$2,874 NZD
Retailer 7$3,466 NZD
Retailer 16$3,561 NZD
Retailer 9$3,744 NZD
MOH London$4,563 NZD

32 data points across 18 retailers

18 retailers$882 NZD to $4,563 NZD

A
Cheapest Retailer
-
$882 NZD
$497 USD
A
Retailer 2
-
$987 NZD
$556 USD
View
A
Retailer 3
-
$987 NZD
$556 USD
View
Final sale: no returns
A
Retailer 4
-
$1,093 NZD
$616 USD
View
Retailer 5
-
$1,104 NZD
$622 USD
View
Price last confirmed 16 days ago
A
Retailer 6
-
$1,247 NZD
£553 GBP
View
A
Retailer 7
-
$1,340 NZD
$755 USD
View
A
Retailer 8
-
$1,698 NZD
$957 USD
View
A
Retailer 9
-
$1,751 NZD
$987 USD
View
A
Retailer 10
-
$1,819 NZD
$1,025 USD
View
A
Retailer 11
-
$2,309 NZD
A$2,002 AUD
View
A
Retailer 12
-
$2,373 NZD
ZAR 21,602 ZAR
View
A
Retailer 13
-
$2,575 NZD
$1,451 USD
View
A
Retailer 14
-
$2,874 NZD
$1,620 USD
View
B+
Retailer 15
-
$3,466 NZD
SGD 2,640 SGD
View
B+
Retailer 16
-
$3,561 NZD
$2,007 USD
View
B+
Retailer 17
-
$3,744 NZD
$2,110 USD
View
Most Expensive
B+
MOH London
LG818639599 · Nov 1
$4,563 NZD
£2,025 GBP
View
17 more retailers have this diamond
Prices start from $882 NZDSave up to $3,681 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
3.09ct Marquise
$882 NZD