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Oval|Lab Grown|IGI

1.03ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG445036447

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG445036447

Diamond specifications and retailer prices

From $600 USD
As of November 6, 2026
Save $1,880 USD (76%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,030 USD at MOH London · As of October 27, 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 LG445036447 or 445036447. Listed at 11 retailers as of November 4, 2026, with a 313% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
SymmetryVery Good
FluorescenceNone
Crown angle35.3°
Pavilion angle42.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445036447
Dimensions8.16 × 5.49 × 3.54 mm
L/W Ratio1.49
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
8.16 mm5.49 mm1.03 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG445036447
Side View
Table 59.5%Crown 35.3°Girdle: STK-THKPavilion 42.1°Culet: NoneDepth 64.5%

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 6
Current: $4,030 USD|Low: $600 USD|High: $4,078 USD|Avg: $1,851 USD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 2$600 USD
Retailer 4$1,023 USD
Retailer 7$1,145 USD
Retailer 5$1,187 USD
Retailer 8$1,187 USD
Retailer 9$1,360 USD
Retailer 11$1,702 USD
Retailer 6$1,893 USD
Retailer 10$2,480 USD
Retailer 3$3,397 USD
MOH London$4,030 USD

11 data points across 11 retailers

11 retailers$600 USD to $2,480 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
Retailer 5
-
$1,187 USD
View
Price last confirmed 25 days ago
B+
Retailer 6
-
$1,187 USD
View
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
MOH London
LG445036447 · Oct 27
$4,030 USD
£3,173 GBP
View
Price last confirmed 10 days ago
10 more retailers have this diamond
Prices start from $600 USDSave up to $1,880 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