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Oval|Lab Grown|IGI

1.81ct G SI1 Oval Lab Grown Diamond

ID • G/SI1 • IGI LG487172867

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG487172867

Diamond specifications and retailer prices

From HK$9,336 HKD
$1,190 USD
As of October 31, 2026
Save HK$19,112 HKD (67%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$31,697 HKD at NZ Jewellers · As of October 31, 2026
View at NZ Jewellers

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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG487172867 or 487172867. Listed at 14 retailers as of October 31, 2026, with a 205% 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

1.81
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG487172867
Dimensions9.44 × 6.95 × 4.18 mm
L/W Ratio1.36
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.44 mm6.95 mm1.81 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG487172867
Side View
Table 61.5%Crown 34.6°Girdle: STK-THKPavilion 39.8°Culet: NoneDepth 60.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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$31,697 HKD|Low: HK$9,336 HKD|High: HK$48,943 HKD|Avg: HK$22,200 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 7HK$9,336 HKD
Retailer 9HK$14,577 HKD
Retailer 12HK$15,864 HKD
Retailer 3HK$16,319 HKD
Retailer 4HK$16,915 HKD
Retailer 10HK$16,915 HKD
Retailer 6HK$23,061 HKD
Retailer 5HK$23,142 HKD
Retailer 11HK$26,511 HKD
Retailer 8HK$28,449 HKD
NZ JewellersHK$31,697 HKD
Retailer 2HK$48,306 HKD

43 data points across 12 retailers

14 retailersHK$9,336 HKD to HK$28,449 HKD

B+
Cheapest Retailer
-
HK$9,336 HKD
$1,190 USD
B
Retailer 2
-
HK$14,577 HKD
$1,858 USD
View
B
Retailer 3
-
HK$15,864 HKD
$2,022 USD
View
B
Retailer 4
-
HK$16,319 HKD
$2,080 USD
View
Final sale: no returns
B
Retailer 5
-
HK$16,915 HKD
$2,156 USD
View
Retailer 6
-
HK$16,915 HKD
$2,156 USD
View
Price last confirmed 19 days ago
B
Retailer 7
-
HK$18,241 HKD
$2,325 USD
View
B
Retailer 8
-
HK$23,061 HKD
£2,314 GBP
View
B
Retailer 9
-
HK$23,142 HKD
£2,323 GBP
View
B
Retailer 10
-
HK$26,511 HKD
$3,379 USD
View
B
Retailer 11
-
HK$28,449 HKD
$3,626 USD
View
Most Expensive
NZ Jewellers
f63556bc-fcef-455d-9283-50ff876dc9c5 · Oct 31
HK$31,697 HKD
$4,040 USD
View
Price under review
11 more retailers have this diamond
Prices start from HK$9,336 HKDSave up to HK$19,112 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.

B+
1.81ct Oval
HK$9,336 HKD