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Oval|Lab Grown|IGI

1.80ct I SI2 Oval Lab Grown Diamond

ID • I/SI2 • IGI LG451055427

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG451055427

Diamond specifications and retailer prices

From HK$7,767 HKD
$990 USD
As of October 31, 2026
Save HK$31,391 HKD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$39,159 HKD 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451055427 or 451055427. Listed at 10 retailers as of October 29, 2026, with prices from HK$7,767 to HK$39,159, a HK$31,391 spread on the same certified stone. MOH London lists it at HK$39,159. 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
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451055427
Dimensions9.23 × 6.92 × 4.37 mm
L/W Ratio1.33
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.23 mm6.92 mm1.80 ctI / SI2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451055427
Side View
Table 56.0%Crown 35°Girdle: STK-VTKPavilion 41.1°Culet: NoneDepth 63.2%

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: HK$39,159 HKD|Low: HK$7,767 HKD|High: HK$39,468 HKD|Avg: HK$17,854 HKD|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 4HK$7,767 HKD
Retailer 2HK$10,450 HKD
Retailer 8HK$11,368 HKD
Retailer 9HK$11,698 HKD
Retailer 5HK$12,122 HKD
Retailer 11HK$16,743 HKD
Retailer 6HK$19,175 HKD
Retailer 10HK$22,596 HKD
Retailer 7HK$22,721 HKD
Retailer 3HK$27,136 HKD
MOH LondonHK$39,159 HKD

14 data points across 11 retailers

10 retailersHK$7,767 HKD to HK$39,159 HKD

A
Cheapest Retailer
-
HK$7,767 HKD
$990 USD
B+
Retailer 2
-
HK$10,450 HKD
$1,332 USD
View
B+
Retailer 3
-
HK$11,368 HKD
$1,449 USD
View
B+
Retailer 4
-
HK$11,698 HKD
$1,491 USD
View
Final sale: no returns
B+
Retailer 5
-
HK$12,122 HKD
$1,545 USD
View
Retailer 6
-
HK$12,122 HKD
$1,545 USD
View
Price last confirmed 19 days ago
B
Retailer 7
-
HK$19,175 HKD
$2,444 USD
View
B
Retailer 8
-
HK$22,596 HKD
$2,880 USD
View
B
Retailer 9
-
HK$22,721 HKD
$2,896 USD
View
Most Expensive
B
MOH London
LG451055427 · Oct 29
HK$39,159 HKD
£3,930 GBP
View
9 more retailers have this diamond
Prices start from HK$7,767 HKDSave up to HK$31,391 HKD

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
HK$7,767 HKD