Oval|Lab Grown|IGI

1.03ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG818632283

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG818632283

Diamond specifications and retailer prices

From $158 USD
As of October 29, 2026
Save $900 USD (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,058 USD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.03ct lab-grown oval diamond

This 1.03ct lab-grown oval sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG818632283 or 818632283. Listed at 16 retailers as of October 29, 2026, with prices from $158 to $1,058, a $900 spread on the same certified stone. Reve Diamonds lists it at $1,058. 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
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818632283
Dimensions8.35 × 5.57 × 3.54 mm
L/W Ratio1.50
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.35 mm5.57 mm1.03 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818632283
Side View
Table 60.0%Crown 35.4°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 63.6%

Caratlytics Score

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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 29
Current: $196 USD|Low: $121 USD|High: $1,058 USD|Avg: $461 USD|+60.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Reve Diamonds
October 30, 2026
Retailer 4$158 USD
Retailer 1$196 USD
Retailer 6$327 USD
Retailer 3$343 USD
Retailer 2$355 USD
Retailer 8$498 USD
Retailer 9$610 USD
Retailer 5$683 USD
Retailer 7$888 USD
Reve Diamonds$1,058 USD

44 data points across 10 retailers

16 retailers$158 USD to $1,058 USD

A
Cheapest Retailer
-
$158 USD
A
Retailer 2
-
$177 USD
View
A
Retailer 3
-
$189 USD
View
A
Retailer 4
-
$189 USD
View
A
Retailer 5
-
$196 USD
View
Final sale: no returns
A
Retailer 6
-
$327 USD
€311 EUR
View
A
Retailer 7
-
$333 USD
View
A
Retailer 8
-
$343 USD
£270 GBP
View
A
Retailer 9
-
$355 USD
View
B+
Retailer 10
-
$498 USD
View
Retailer 11
-
$582 USD
View
Price last confirmed 31 days ago
B+
Retailer 12
-
$609 USD
View
B+
Retailer 13
-
$610 USD
View
B
Retailer 14
-
$683 USD
View
B
Retailer 15
-
$888 USD
£699 GBP
View
Most Expensive
B
Reve Diamonds
E0D9A00D3 · Oct 30
$1,058 USD
View
15 more retailers have this diamond
Prices start from $158 USDSave up to $900 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
$158 USD