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Oval|Lab Grown|IGI

1.81ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG451057385

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG451057385

Diamond specifications and retailer prices

From HK$7,846 HKD
$1,000 USD
As of October 31, 2026
Save HK$32,857 HKD (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$40,703 HKD at MOH London · As of October 29, 2026
View at MOH London

About this 1.81ct lab-grown oval diamond

This 1.81ct 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 LG451057385 or 451057385. Listed at 10 retailers as of October 29, 2026, with prices from HK$7,846 to HK$40,703, a HK$32,857 spread on the same certified stone. MOH London lists it at HK$40,703. 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

1.81
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451057385
Dimensions9.78 × 6.88 × 4.22 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.78 mm6.88 mm1.81 ctI / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG451057385
Side View
Table 59.0%Crown 37.4°Girdle: THN-STKPavilion 40.3°Culet: NoneDepth 61.3%

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$40,703 HKD|Low: HK$7,846 HKD|High: HK$40,982 HKD|Avg: HK$19,809 HKD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 4HK$7,846 HKD
Retailer 3HK$12,224 HKD
Retailer 5HK$14,177 HKD
Retailer 7HK$15,495 HKD
Retailer 9HK$15,681 HKD
Retailer 8HK$19,191 HKD
Retailer 6HK$22,313 HKD
Retailer 2HK$25,067 HKD
MOH LondonHK$40,703 HKD

11 data points across 9 retailers

10 retailersHK$7,846 HKD to HK$40,703 HKD

A
Cheapest Retailer
-
HK$7,846 HKD
$1,000 USD
B+
Retailer 2
-
HK$12,224 HKD
$1,558 USD
View
B+
Retailer 3
-
HK$13,298 HKD
$1,695 USD
View
B+
Retailer 4
-
HK$14,177 HKD
$1,807 USD
View
Retailer 5
-
HK$14,177 HKD
$1,807 USD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
HK$15,495 HKD
$1,975 USD
View
B
Retailer 7
-
HK$22,313 HKD
$2,844 USD
View
B
Retailer 8
-
HK$25,067 HKD
$3,195 USD
View
B
Retailer 9
-
HK$26,573 HKD
$3,387 USD
View
Most Expensive
B
MOH London
LG451057385 · Oct 29
HK$40,703 HKD
£4,085 GBP
View
9 more retailers have this diamond
Prices start from HK$7,846 HKDSave up to HK$32,857 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
1.81ct Oval
HK$7,846 HKD