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Oval|Lab Grown|IGI

1.80ct J SI1 Oval Lab Grown Diamond

ID • J/SI1 • IGI LG445038956

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG445038956

Diamond specifications and retailer prices

From $930 USD
As of November 1, 2026
Save $4,061 USD (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,991 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.8ct lab-grown oval diamond

This 1.8ct lab-grown oval sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG445038956 or 445038956. Listed at 12 retailers as of October 29, 2026, with prices from $930 to $4,991, a $4,061 spread on the same certified stone. MOH London lists it at $4,991. 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

1.80
Carat
J
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445038956
Dimensions9.22 × 6.89 × 4.37 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.22 mm6.89 mm1.80 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG445038956
Side View
Table 61.5%Crown 34.5°Girdle: STK-THKPavilion 41.9°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: Nov 1
Current: $4,991 USD|Low: $930 USD|High: $5,024 USD|Avg: $2,113 USD|+0.5%
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
November 1, 2026
Retailer 8$930 USD
Retailer 7$1,332 USD
Retailer 12$1,449 USD
Retailer 13$1,491 USD
Retailer 3$1,545 USD
Retailer 9$1,545 USD
Retailer 6$1,715 USD
Retailer 2$2,114 USD
Retailer 5$2,134 USD
Retailer 10$2,444 USD
Retailer 4$2,880 USD
Retailer 11$2,896 USD
MOH London$4,991 USD

39 data points across 13 retailers

12 retailers$930 USD to $4,991 USD

A
Cheapest Retailer
-
$930 USD
B+
Retailer 2
-
$1,332 USD
View
A
Retailer 3
-
$1,449 USD
View
A
Retailer 4
-
$1,491 USD
View
Final sale: no returns
Retailer 5
-
$1,545 USD
View
Price last confirmed 20 days ago
A
Retailer 6
-
$1,545 USD
View
A
Retailer 7
-
$1,715 USD
View
B+
Retailer 8
-
$2,114 USD
£1,665 GBP
View
B
Retailer 9
-
$2,444 USD
View
B
Retailer 10
-
$2,880 USD
View
B
Retailer 11
-
$2,896 USD
View
Most Expensive
B
MOH London
LG445038956 · Oct 29
$4,991 USD
£3,930 GBP
View
11 more retailers have this diamond
Prices start from $930 USDSave up to $4,061 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
1.80ct Oval
$930 USD