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Marquise|Lab Grown|IGI

1.03ct I VS2 Marquise Lab Grown Diamond

ID • I/VS2 • IGI LG425067821

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG425067821

Diamond specifications and retailer prices

From $590 USD
As of October 30, 2026
Save $3,826 USD (87%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,416 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.03ct lab-grown marquise diamond

This 1.03ct lab-grown marquise sits in the classic one-carat band, graded I colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG425067821 or 425067821. Listed at 12 retailers as of October 29, 2026, with prices from $590 to $4,416, a $3,826 spread on the same certified stone. MOH London lists it at $4,416. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
I
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG425067821
Dimensions9.48 × 5.38 × 3.41 mm
L/W Ratio1.76
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.48 mm5.38 mm1.03 ctI / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG425067821
Side View
Table 55.5%Crown 34.1°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 63.4%

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: Oct 30
Current: $4,416 USD|Low: $590 USD|High: $4,450 USD|Avg: $2,310 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 2$590 USD
Retailer 4$1,319 USD
Retailer 10$1,484 USD
Retailer 7$1,540 USD
Retailer 8$1,920 USD
Retailer 3$2,171 USD
Retailer 6$2,693 USD
Retailer 5$3,307 USD
Retailer 9$3,914 USD
MOH London$4,416 USD

15 data points across 10 retailers

12 retailers$590 USD to $4,416 USD

A
Cheapest Retailer
-
$590 USD
B
Retailer 2
-
$1,178 USD
View
B
Retailer 3
-
$1,282 USD
View
B
Retailer 4
-
$1,319 USD
View
Final sale: no returns
B
Retailer 5
-
$1,367 USD
View
Retailer 6
-
$1,367 USD
View
Price last confirmed 13 days ago
B
Retailer 7
-
$1,540 USD
View
B
Retailer 8
-
$2,171 USD
View
B
Retailer 9
-
$2,562 USD
View
B
Retailer 10
-
$2,693 USD
View
B
Retailer 11
-
$3,307 USD
£2,604 GBP
View
Most Expensive
B
MOH London
LG425067821 · Oct 29
$4,416 USD
£3,477 GBP
View
11 more retailers have this diamond
Prices start from $590 USDSave up to $3,826 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
1.03ct Marquise
$590 USD