Marquise|Lab Grown|IGI

1.00ct H VS1 Marquise Lab Grown Diamond

ID • H/VS1 • IGI LG512205109

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG512205109

Diamond specifications and retailer prices

From $1,281 NZD
As of November 4, 2026
Save $4,541 NZD (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,822 NZD at MOH London · As of November 5, 2026
View at MOH London

About this 1ct lab-grown marquise diamond

This 1ct lab-grown marquise sits in the classic one-carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG512205109 or 512205109. Listed at 15 retailers as of November 4, 2026, with prices from $1,281 to $5,822, a $4,541 spread on the same certified stone. MOH London lists it at $5,822. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512205109
Dimensions10.37 × 5.36 × 3.05 mm
L/W Ratio1.93
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
10.37 mm5.36 mm1.00 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG512205109
Side View
Table 62.0%Crown 33.2°Girdle: STK-THKPavilion 37.3°Culet: NoneDepth 56.9%

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 4
Current: $5,822 NZD|Low: $1,229 NZD|High: $5,914 NZD|Avg: $2,990 NZD|-0.3%
MOH London
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
November 5, 2026
Retailer 12$1,281 NZD
Retailer 3$1,394 NZD
Retailer 4$1,433 NZD
Retailer 14$1,487 NZD
Retailer 13$1,703 NZD
Retailer 10$1,801 NZD
Retailer 7$2,335 NZD
Retailer 16$2,411 NZD
Retailer 2$2,730 NZD
Retailer 11$3,662 NZD
Retailer 9$3,873 NZD
Retailer 15$4,180 NZD
Retailer 8$4,256 NZD
Retailer 5$4,623 NZD
Retailer 6$4,653 NZD
MOH London$5,822 NZD

25 data points across 16 retailers

15 retailers$1,281 NZD to $5,822 NZD

A
Cheapest Retailer
-
$1,281 NZD
B+
Retailer 2
-
$1,394 NZD
View
B+
Retailer 3
-
$1,433 NZD
View
Final sale: no returns
Retailer 4
-
$1,487 NZD
View
Price last confirmed 19 days ago
B+
Retailer 5
-
$1,487 NZD
View
B+
Retailer 6
-
$1,703 NZD
View
B+
Retailer 7
-
$1,801 NZD
View
B
Retailer 8
-
$2,411 NZD
View
B
Retailer 9
-
$2,730 NZD
View
B
Retailer 10
-
$3,662 NZD
View
B
Retailer 11
-
$3,873 NZD
View
B
Retailer 12
-
$4,180 NZD
View
B
Retailer 13
-
$4,623 NZD
View
B
Retailer 14
-
$4,653 NZD
View
Most Expensive
B
MOH London
LG512205109 · Nov 5
$5,822 NZD
£2,584 GBP
View
14 more retailers have this diamond
Prices start from $1,281 NZDSave up to $4,541 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
1.00ct Marquise
$1,281 NZD