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1.71ct D I1 Round Lab Grown Diamond

EX • D/I1 • IGI LG490175465

Shape and cutting style on the report: Round brilliant

Certificate IGI LG490175465

Diamond specifications and retailer prices

From HK$2,416 HKD
$308 USD
As of October 30, 2026
Save HK$9,587 HKD (80%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$12,004 HKD at B2C Jewels · As of October 26, 2026
View at B2C Jewels

About this 1.71ct lab-grown round diamond

This 1.71ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and I1 clarity (included), with a top-tier cut grade and certified by IGI LG490175465 or 490175465. Listed at 9 retailers as of October 26, 2026, with prices from HK$2,416 to HK$12,004, a HK$9,587 spread on the same certified stone. B2C Jewels lists it at HK$12,004. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
D
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG490175465
Dimensions7.54 × 7.58 × 4.74 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.54 mm7.58 mm1.71 ctD / I1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG490175465
Side View
Table 56.5%Crown 36.3°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.6%

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 30
Current: HK$12,004 HKD|Low: HK$1,237 HKD|High: HK$12,004 HKD|Avg: HK$5,142 HKD|+140.9%
B2C Jewels
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 7HK$1,237 HKD
Retailer 6HK$2,283 HKD
Retailer 5HK$2,416 HKD
Retailer 2HK$3,023 HKD
Retailer 8HK$4,778 HKD
Retailer 4HK$6,041 HKD
Retailer 3HK$8,360 HKD
B2C JewelsHK$12,004 HKD

16 data points across 8 retailers

9 retailersHK$2,416 HKD to HK$12,004 HKD

Retailer 1
-
HK$1,844 HKD
$235 USD
Price last confirmed 39 days ago
Retailer 2
-
HK$2,134 HKD
$272 USD
View
Price last confirmed 39 days ago
Retailer 3
-
HK$2,252 HKD
$287 USD
View
Price last confirmed 36 days ago
B+
Retailer 4
-
HK$2,416 HKD
$308 USD
View
A
Retailer 5
-
HK$3,023 HKD
€367 EUR
View
B
Retailer 6
-
HK$6,041 HKD
$770 USD
View
Retailer 7
-
HK$7,336 HKD
$935 USD
View
Price last confirmed 40 days ago
B
Retailer 8
-
HK$8,360 HKD
£839 GBP
View
Most Expensive
B
B2C Jewels
20884851 · Oct 26
HK$12,004 HKD
$1,530 USD
View
8 more retailers have this diamond
Prices start from HK$2,416 HKDSave up to HK$9,587 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 Round
HK$2,416 HKD