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Oval|Lab Grown|IGI

1.80ct J SI1 Oval Lab Grown Diamond

ID • J/SI1 • IGI LG447099767

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG447099767

Diamond specifications and retailer prices

From $930 USD
As of October 31, 2026
Save $2,817 USD (75%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,716 USD at MOH London · As of October 25, 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 LG447099767 or 447099767. Listed at 11 retailers as of October 31, 2026, with a 303% 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

1.80
Carat
J
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447099767
Dimensions9.84 × 6.79 × 4.18 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.84 mm6.79 mm1.80 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447099767
Side View
Table 61.0%Crown 34.7°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 61.6%

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 31
Current: $5,716 USD|Low: $930 USD|High: $5,785 USD|Avg: $2,905 USD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 25, 2026
Retailer 6$930 USD
Retailer 5$1,723 USD
Retailer 10$1,875 USD
Retailer 11$1,929 USD
Retailer 7$1,999 USD
Retailer 12$2,170 USD
Retailer 3$2,674 USD
Retailer 8$3,139 USD
Retailer 2$3,446 USD
Retailer 9$3,747 USD
MOH London$5,716 USD
Retailer 4$5,723 USD

15 data points across 12 retailers

11 retailers$930 USD to $3,747 USD

A
Cheapest Retailer
-
$930 USD
B+
Retailer 2
-
$1,723 USD
View
B+
Retailer 3
-
$1,875 USD
View
B+
Retailer 4
-
$1,929 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,999 USD
View
Retailer 6
-
$1,999 USD
View
Price last confirmed 20 days ago
B+
Retailer 7
-
$2,170 USD
View
B
Retailer 8
-
$3,139 USD
View
B
Retailer 9
-
$3,446 USD
View
B
Retailer 10
-
$3,747 USD
View
Most Expensive
MOH London
LG447099767 · Oct 25
$5,716 USD
£4,501 GBP
View
Price last confirmed 8 days ago
10 more retailers have this diamond
Prices start from $930 USDSave up to $2,817 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