CaratHunter
Plans
Oval|Lab Grown|IGI

1.71ct I SI2 Oval Lab Grown Diamond

ID • I/SI2 • IGI LG447000609

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG447000609

Diamond specifications and retailer prices

From HK$7,453 HKD
$950 USD
As of October 29, 2026
Save HK$29,792 HKD (80%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$37,246 HKD at MOH London · As of October 29, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG447000609 or 447000609. Listed at 9 retailers as of October 29, 2026, with prices from HK$7,453 to HK$37,246, a HK$29,792 spread on the same certified stone. MOH London lists it at HK$37,246. 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
I
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.1°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447000609
Dimensions9.04 × 6.78 × 4.32 mm
L/W Ratio1.33
Girdle conditionFaceted
Culet sizePointed
Cert comments
undefined
Top View
9.04 mm6.78 mm1.71 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG447000609
Side View
Table 57.5%Crown 37.1°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 63.7%

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 29
Current: HK$37,246 HKD|Low: HK$7,417 HKD|High: HK$37,535 HKD|Avg: HK$17,001 HKD|+0.5%
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 11HK$7,417 HKD
Retailer 4HK$7,453 HKD
Retailer 2HK$9,941 HKD
Retailer 8HK$10,811 HKD
Retailer 5HK$11,533 HKD
Retailer 10HK$16,013 HKD
Retailer 6HK$18,249 HKD
Retailer 9HK$21,489 HKD
Retailer 7HK$21,607 HKD
Retailer 3HK$25,805 HKD
MOH LondonHK$37,246 HKD

15 data points across 11 retailers

9 retailersHK$7,453 HKD to HK$37,246 HKD

A
Cheapest Retailer
-
HK$7,453 HKD
$950 USD
B+
Retailer 2
-
HK$9,941 HKD
$1,267 USD
View
B+
Retailer 3
-
HK$10,811 HKD
$1,378 USD
View
Retailer 4
-
HK$11,533 HKD
$1,470 USD
View
Price last confirmed 19 days ago
B+
Retailer 5
-
HK$11,533 HKD
$1,470 USD
View
B
Retailer 6
-
HK$18,249 HKD
$2,326 USD
View
B
Retailer 7
-
HK$21,489 HKD
$2,739 USD
View
B
Retailer 8
-
HK$21,607 HKD
$2,754 USD
View
Most Expensive
B
MOH London
LG447000609 · Oct 29
HK$37,246 HKD
£3,738 GBP
View
8 more retailers have this diamond
Prices start from HK$7,453 HKDSave up to HK$29,792 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$7,453 HKD