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Oval|Lab Grown|IGI

1.80ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG442066527

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG442066527

Diamond specifications and retailer prices

From $990 USD
As of October 29, 2026
Save $2,379 USD (71%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,160 USD at MOH London · As of October 21, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG442066527 or 442066527. Listed at 11 retailers as of October 28, 2026, with a 240% 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
I
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG442066527
Dimensions9.47 × 6.83 × 4.34 mm
L/W Ratio1.39
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.47 mm6.83 mm1.80 ctI / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG442066527
Side View
Table 57.5%Crown 35.8°Girdle: STK-VTKPavilion 40.8°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 29
Current: $5,160 USD|Low: $990 USD|High: $5,194 USD|Avg: $2,591 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
October 18, 2026
Retailer 6$990 USD
Retailer 5$1,549 USD
Retailer 9$1,735 USD
Retailer 7$1,797 USD
Retailer 10$1,797 USD
Retailer 11$1,970 USD
Retailer 4$1,993 USD
Retailer 12$2,434 USD
Retailer 8$2,828 USD
Retailer 2$3,178 USD
Retailer 3$5,146 USD
MOH London$5,160 USD

12 data points across 12 retailers

11 retailers$990 USD to $3,369 USD

A
Cheapest Retailer
-
$990 USD
A
Retailer 2
-
$1,549 USD
View
B+
Retailer 3
-
$1,686 USD
View
B+
Retailer 4
-
$1,735 USD
View
Final sale: no returns
Retailer 5
-
$1,797 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
$1,797 USD
View
B
Retailer 7
-
$1,970 USD
View
B
Retailer 8
-
$2,828 USD
View
B
Retailer 9
-
$3,178 USD
View
B
Retailer 10
-
$3,369 USD
View
Most Expensive
MOH London
LG442066527 · Oct 21
$5,160 USD
£4,063 GBP
View
Price last confirmed 9 days ago
10 more retailers have this diamond
Prices start from $990 USDSave up to $2,379 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
$990 USD