CaratHunter
Plans
Oval|Lab Grown|IGI

1.80ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG451057750

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG451057750

Diamond specifications and retailer prices

From HK$7,767 HKD
$990 USD
As of October 31, 2026
Save HK$32,507 HKD (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$40,275 HKD at MOH London · As of November 1, 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 LG451057750 or 451057750. Listed at 12 retailers as of October 31, 2026, with prices from HK$7,767 to HK$40,275, a HK$32,507 spread on the same certified stone. MOH London lists it at HK$40,275. 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
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451057750
Dimensions9.27 × 6.98 × 4.40 mm
L/W Ratio1.33
Girdle conditionFaceted
Culet sizePointed
Cert comments
undefined
Top View
9.27 mm6.98 mm1.80 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451057750
Side View
Table 58.0%Crown 36.2°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 63.0%

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$40,275 HKD|Low: HK$7,767 HKD|High: HK$40,813 HKD|Avg: HK$20,300 HKD
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
Retailer 14
November 1, 2026
Retailer 9HK$7,767 HKD
Retailer 8HK$12,153 HKD
Retailer 13HK$13,228 HKD
Retailer 14HK$13,612 HKD
Retailer 3HK$14,099 HKD
Retailer 10HK$14,099 HKD
Retailer 4HK$15,456 HKD
Retailer 5HK$19,096 HKD
Retailer 2HK$20,134 HKD
Retailer 11HK$22,188 HKD
Retailer 7HK$24,934 HKD
Retailer 12HK$26,432 HKD
MOH LondonHK$40,275 HKD
Retailer 6HK$40,374 HKD

37 data points across 14 retailers

12 retailersHK$7,767 HKD to HK$40,275 HKD

A
Cheapest Retailer
-
HK$7,767 HKD
$990 USD
A
Retailer 2
-
HK$12,153 HKD
$1,549 USD
View
B+
Retailer 3
-
HK$13,228 HKD
$1,686 USD
View
B+
Retailer 4
-
HK$13,612 HKD
$1,735 USD
View
Final sale: no returns
Retailer 5
-
HK$14,099 HKD
$1,797 USD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
HK$14,099 HKD
$1,797 USD
View
B+
Retailer 7
-
HK$15,456 HKD
$1,970 USD
View
B+
Retailer 8
-
HK$20,134 HKD
£2,021 GBP
View
B
Retailer 9
-
HK$22,188 HKD
$2,828 USD
View
B
Retailer 10
-
HK$24,934 HKD
$3,178 USD
View
B
Retailer 11
-
HK$26,432 HKD
$3,369 USD
View
Most Expensive
B
MOH London
LG451057750 · Nov 1
HK$40,275 HKD
£4,042 GBP
View
11 more retailers have this diamond
Prices start from HK$7,767 HKDSave up to HK$32,507 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