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Round|Lab Grown|IGI

1.71ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG573377307

Shape and cutting style on the report: Round brilliant

Certificate IGI LG573377307

Diamond specifications and retailer prices

From HK$1,593 HKD
$203 USD
As of October 29, 2026
Save HK$13,707 HKD (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$15,300 HKD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG573377307 or 573377307. Listed at 10 retailers as of October 29, 2026, with prices from HK$1,593 to HK$15,300, a HK$13,707 spread on the same certified stone. Do Amore Diamonds lists it at HK$15,300. 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
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG573377307
Dimensions7.64 × 7.60 × 4.75 mm
L/W Ratio1.01
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
7.64 mm7.60 mm1.71 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG573377307
Side View
Table 56.5%Crown 35.7°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.4%

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$15,300 HKD|Low: HK$1,546 HKD|High: HK$15,614 HKD|Avg: HK$5,707 HKD|-2.0%
Do Amore Diamonds
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
October 29, 2026
Retailer 13HK$1,593 HKD
Retailer 14HK$1,805 HKD
Retailer 12HK$1,852 HKD
Retailer 11HK$3,413 HKD
Retailer 2HK$4,030 HKD
Retailer 4HK$4,239 HKD
Retailer 5HK$4,723 HKD
Retailer 3HK$5,037 HKD
Retailer 8HK$6,355 HKD
Retailer 9HK$6,379 HKD
Retailer 10HK$7,014 HKD
Retailer 7HK$8,749 HKD
Retailer 6HK$8,788 HKD
Do Amore DiamondsHK$15,300 HKD

38 data points across 14 retailers

10 retailersHK$1,593 HKD to HK$15,300 HKD

A
Cheapest Retailer
-
HK$1,593 HKD
$203 USD
A
Retailer 2
-
HK$1,805 HKD
$230 USD
View
Final sale: no returns
A
Retailer 3
-
HK$1,852 HKD
$236 USD
View
B+
Retailer 4
-
HK$3,413 HKD
$435 USD
View
A
Retailer 5
-
HK$4,030 HKD
£404 GBP
View
Retailer 6
-
HK$6,355 HKD
$810 USD
View
Price last confirmed 12 days ago
Retailer 7
-
HK$6,379 HKD
$813 USD
View
Price last confirmed 7 days ago
B+
Retailer 8
-
HK$7,014 HKD
$894 USD
View
B
Retailer 9
-
HK$8,749 HKD
£878 GBP
View
Price last confirmed 7 days ago
Most Expensive
B
Do Amore Diamonds
27-706090C23 · Oct 29
HK$15,300 HKD
$1,950 USD
View
9 more retailers have this diamond
Prices start from HK$1,593 HKDSave up to HK$13,707 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$1,593 HKD