CaratHunter
Plans
Oval|Lab Grown|IGI

1.71ct H SI1 Oval Lab Grown Diamond

ID • H/SI1 • IGI LG492136784

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG492136784

Diamond specifications and retailer prices

From HK$8,386 HKD
As of November 6, 2026
Save HK$33,886 HKD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$42,273 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 1.71ct lab-grown oval diamond

This 1.71ct lab-grown oval sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG492136784 or 492136784. Listed at 10 retailers as of November 1, 2026, with prices from HK$8,386 to HK$42,273, a HK$33,886 spread on the same certified stone. MOH London lists it at HK$42,273. 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

1.71
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492136784
Dimensions9.72 × 6.66 × 4.18 mm
L/W Ratio1.46
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
9.72 mm6.66 mm1.71 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492136784
Side View
Table 56.0%Crown 33.5°Girdle: MED-THKPavilion 41.7°Culet: NoneDepth 62.8%

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: Nov 6
Current: HK$42,273 HKD|Low: HK$8,386 HKD|High: HK$42,840 HKD|Avg: HK$20,406 HKD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 4HK$8,386 HKD
Retailer 3HK$12,759 HKD
Retailer 9HK$14,358 HKD
Retailer 5HK$14,805 HKD
Retailer 7HK$16,145 HKD
Retailer 8HK$19,899 HKD
Retailer 6HK$23,261 HKD
Retailer 2HK$25,519 HKD
MOH LondonHK$42,273 HKD

14 data points across 9 retailers

10 retailersHK$8,386 HKD to HK$42,273 HKD

A
Cheapest Retailer
-
HK$8,386 HKD
B+
Retailer 2
-
HK$12,759 HKD
View
B+
Retailer 3
-
HK$13,880 HKD
View
B+
Retailer 4
-
HK$14,805 HKD
View
Retailer 5
-
HK$14,805 HKD
View
Price last confirmed 25 days ago
B
Retailer 6
-
HK$16,145 HKD
View
B
Retailer 7
-
HK$23,261 HKD
View
B
Retailer 8
-
HK$25,519 HKD
View
B
Retailer 9
-
HK$27,744 HKD
View
Most Expensive
B
MOH London
LG492136784 · Nov 1
HK$42,273 HKD
£4,247 GBP
View
9 more retailers have this diamond
Prices start from HK$8,386 HKDSave up to HK$33,886 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
1.71ct Oval
HK$8,386 HKD