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Oval|Lab Grown|IGI

1.03ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG497158280

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG497158280

Diamond specifications and retailer prices

From $600 USD
As of October 31, 2026
Save $3,446 USD (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,046 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.03ct lab-grown oval diamond

This 1.03ct lab-grown oval sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG497158280 or 497158280. Listed at 11 retailers as of October 29, 2026, with prices from $600 to $4,046, a $3,446 spread on the same certified stone. MOH London lists it at $4,046. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.03
Carat
I
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG497158280
Dimensions8.01 × 5.66 × 3.53 mm
L/W Ratio1.42
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
8.01 mm5.66 mm1.03 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG497158280
Side View
Table 55.0%Crown 36.1°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $4,046 USD|Low: $600 USD|High: $4,078 USD|Avg: $1,950 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$600 USD
Retailer 3$1,023 USD
Retailer 6$1,145 USD
Retailer 4$1,187 USD
Retailer 7$1,360 USD
Retailer 9$1,702 USD
Retailer 5$1,893 USD
Retailer 8$2,480 USD
Retailer 10$3,397 USD
MOH London$4,046 USD

14 data points across 10 retailers

11 retailers$600 USD to $4,046 USD

A
Cheapest Retailer
-
$600 USD
B+
Retailer 2
-
$1,023 USD
View
B+
Retailer 3
-
$1,113 USD
View
B+
Retailer 4
-
$1,145 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,187 USD
View
Retailer 6
-
$1,187 USD
View
Price last confirmed 19 days ago
B
Retailer 7
-
$1,360 USD
View
B
Retailer 8
-
$1,893 USD
View
B
Retailer 9
-
$2,224 USD
View
B
Retailer 10
-
$2,480 USD
View
Most Expensive
B
MOH London
LG497158280 · Oct 29
$4,046 USD
£3,186 GBP
View
10 more retailers have this diamond
Prices start from $600 USDSave up to $3,446 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 Oval
$600 USD