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Oval|Lab Grown|IGI

1.03ct D SI1 Oval Lab Grown Diamond

EX • D/SI1 • IGI LG770663066

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG770663066

Diamond specifications and retailer prices

From $158 USD
As of October 27, 2026
Save $1,256 USD (89%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,414 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG770663066 or 770663066. Listed at 12 retailers as of October 27, 2026, with prices from $158 to $1,414, a $1,256 spread on the same certified stone. MOH London lists it at $1,414. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770663066
Dimensions8.16 × 5.67 × 3.60 mm
L/W Ratio1.44
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.16 mm5.67 mm1.03 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770663066
Side View
Table 58.0%Crown 36.6°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.5%

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: Oct 27
Current: $1,414 USD|Low: $158 USD|High: $1,414 USD|Avg: $398 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
October 29, 2026
Retailer 4$158 USD
Retailer 8$168 USD
Retailer 13$192 USD
Retailer 7$203 USD
Retailer 2$285 USD
Retailer 5$315 USD
Retailer 12$317 USD
Retailer 3$320 USD
Retailer 11$326 USD
Retailer 9$415 USD
Retailer 10$530 USD
Retailer 14$541 USD
Retailer 6$773 USD
MOH London$1,414 USD

3 data points across 14 retailers

12 retailers$158 USD to $1,414 USD

A
Cheapest Retailer
-
$158 USD
A
Retailer 2
-
$168 USD
View
A
Retailer 3
-
$192 USD
HK$1,500 HKD
View
A
Retailer 4
-
$203 USD
£160 GBP
View
A
Retailer 5
-
$285 USD
£224 GBP
View
A
Retailer 6
-
$317 USD
View
A
Retailer 7
-
$320 USD
£252 GBP
View
A
Retailer 8
-
$326 USD
View
B+
Retailer 9
-
$415 USD
View
B+
Retailer 10
-
$530 USD
View
B+
Retailer 11
-
$541 USD
View
Most Expensive
B
MOH London
LG770663066 · Oct 29
$1,414 USD
£1,113 GBP
View
11 more retailers have this diamond
Prices start from $158 USDSave up to $1,256 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