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Marquise|Lab Grown|IGI

1.00ct H VVS2 Marquise Lab Grown Diamond

ID • H/VVS2 • IGI LG512205139

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG512205139

Diamond specifications and retailer prices

From $768 USD
As of October 30, 2026
Save $1,735 USD (69%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,338 USD at MOH London · As of November 1, 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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG512205139 or 512205139. Listed at 15 retailers as of October 30, 2026, with a 226% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.8°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512205139
Dimensions10.68 × 5.07 × 2.95 mm
L/W Ratio2.11
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
10.68 mm5.07 mm1.00 ctH / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG512205139
Side View
Table 58.0%Crown 39.8°Girdle: STK-THKPavilion 35.7°Culet: NoneDepth 58.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $3,338 USD|Low: $737 USD|High: $3,378 USD|Avg: $1,765 USD
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 1, 2026
Retailer 12$768 USD
Retailer 3$835 USD
Retailer 4$860 USD
Retailer 14$890 USD
Retailer 13$970 USD
Retailer 10$1,065 USD
Retailer 7$1,381 USD
Retailer 16$1,439 USD
Retailer 9$1,637 USD
Retailer 11$2,117 USD
Retailer 2$2,320 USD
Retailer 15$2,503 USD
Retailer 8$2,550 USD
Retailer 6$2,752 USD
Retailer 5$2,774 USD
MOH London$3,338 USD

28 data points across 16 retailers

15 retailers$768 USD to $2,503 USD

B+
Cheapest Retailer
-
$768 USD
B+
Retailer 2
-
$835 USD
View
B+
Retailer 3
-
$860 USD
View
Final sale: no returns
Retailer 4
-
$890 USD
View
Price last confirmed 15 days ago
B+
Retailer 5
-
$890 USD
View
B
Retailer 6
-
$970 USD
View
B
Retailer 7
-
$1,065 USD
View
B
Retailer 8
-
$1,439 USD
View
B
Retailer 9
-
$1,637 USD
ZAR 26,441 ZAR
View
B
Retailer 10
-
$2,117 USD
View
B
Retailer 11
-
$2,320 USD
A$3,569 AUD
View
B
Retailer 12
-
$2,503 USD
View
Retailer 13
-
$2,752 USD
View
Price under review
Retailer 14
-
$2,774 USD
£2,184 GBP
View
Price under review
Most Expensive
MOH London
LG512205139 · Nov 1
$3,338 USD
£2,628 GBP
View
Price under review
14 more retailers have this diamond
Prices start from $768 USDSave up to $1,735 USD

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.

B+
1.00ct Marquise
$768 USD