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Marquise|Lab Grown|IGI

1.02ct I VS1 Marquise Lab Grown Diamond

ID • I/VS1 • IGI LG502157988

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG502157988

Diamond specifications and retailer prices

From $590 USD
As of October 31, 2026
Save $3,990 USD (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,580 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1.02ct lab-grown marquise diamond

This 1.02ct lab-grown marquise sits in the classic one-carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG502157988 or 502157988. Listed at 13 retailers as of October 31, 2026, with prices from $590 to $4,580, a $3,990 spread on the same certified stone. MOH London lists it at $4,580. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.02
Carat
I
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG502157988
Dimensions10.96 × 5.27 × 3.04 mm
L/W Ratio2.08
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
10.96 mm5.27 mm1.02 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG502157988
Side View
Table 61.0%Crown 34.9°Girdle: MED-THKPavilion 38.6°Culet: NoneDepth 57.7%

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 31
Current: $4,580 USD|Low: $590 USD|High: $4,641 USD|Avg: $2,316 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
November 1, 2026
Retailer 2$590 USD
Retailer 8$1,229 USD
Retailer 12$1,337 USD
Retailer 13$1,376 USD
Retailer 9$1,425 USD
Retailer 4$1,600 USD
Retailer 5$1,990 USD
Retailer 10$2,259 USD
Retailer 7$2,620 USD
Retailer 11$2,672 USD
Retailer 3$2,731 USD
Retailer 14$3,444 USD
Retailer 6$4,082 USD
MOH London$4,580 USD

24 data points across 14 retailers

13 retailers$590 USD to $4,580 USD

A
Cheapest Retailer
-
$590 USD
B
Retailer 2
-
$1,229 USD
View
B
Retailer 3
-
$1,337 USD
View
B
Retailer 4
-
$1,376 USD
View
Final sale: no returns
Retailer 5
-
$1,425 USD
View
Price last confirmed 20 days ago
B
Retailer 6
-
$1,425 USD
View
B
Retailer 7
-
$1,600 USD
View
B
Retailer 8
-
$2,259 USD
View
B
Retailer 9
-
$2,620 USD
ZAR 42,331 ZAR
View
B
Retailer 10
-
$2,672 USD
View
B
Retailer 11
-
$2,731 USD
View
B
Retailer 12
-
$3,444 USD
£2,712 GBP
View
Most Expensive
B
MOH London
LG502157988 · Nov 1
$4,580 USD
£3,606 GBP
View
12 more retailers have this diamond
Prices start from $590 USDSave up to $3,990 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.

A
1.02ct Marquise
$590 USD