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Round|Lab Grown|IGI

1.71ct I SI1 Round Lab Grown Diamond

ID • I/SI1 • IGI LG464198225

Shape and cutting style on the report: Round brilliant

Certificate IGI LG464198225

Diamond specifications and retailer prices

From HK$2,620 HKD
$334 USD
As of October 29, 2026
Save HK$20,680 HKD (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$23,300 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG464198225 or 464198225. Listed at 17 retailers as of October 29, 2026, with prices from HK$2,620 to HK$23,300, a HK$20,680 spread on the same certified stone. Do Amore Diamonds lists it at HK$23,300. 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
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG464198225
Dimensions7.65 × 7.70 × 4.75 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Chemical Vapor Deposition (CVD) laboratory grown diamond is classified as Type IIa.
Top View
7.65 mm7.70 mm1.71 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG464198225
Side View
Table 57.5%Crown 35.4°Girdle: MediumPavilion 41°Culet: NoneDepth 61.9%

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$23,300 HKD|Low: HK$2,620 HKD|High: HK$23,300 HKD|Avg: HK$8,107 HKD
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
Retailer 15
Retailer 16
Retailer 17
October 29, 2026
Retailer 15HK$2,620 HKD
Retailer 13HK$3,044 HKD
Retailer 3HK$3,248 HKD
Retailer 12HK$3,248 HKD
Retailer 8HK$3,844 HKD
Retailer 11HK$3,844 HKD
Retailer 16HK$3,907 HKD
Retailer 14HK$5,915 HKD
Retailer 7HK$6,080 HKD
Retailer 10HK$6,102 HKD
Retailer 9HK$6,744 HKD
Retailer 4HK$9,532 HKD
Retailer 6HK$10,622 HKD
Retailer 17HK$11,532 HKD
Retailer 5HK$12,758 HKD
Retailer 2HK$14,088 HKD
Do Amore DiamondsHK$23,300 HKD

13 data points across 17 retailers

17 retailersHK$2,620 HKD to HK$23,300 HKD

A
Cheapest Retailer
-
HK$2,620 HKD
$334 USD
A
Retailer 2
-
HK$3,044 HKD
$388 USD
View
A
Retailer 3
-
HK$3,248 HKD
$414 USD
View
A
Retailer 4
-
HK$3,248 HKD
$414 USD
View
A
Retailer 5
-
HK$3,844 HKD
$490 USD
View
B+
Retailer 6
-
HK$3,844 HKD
$490 USD
View
A
Retailer 7
-
HK$3,907 HKD
$498 USD
View
A
Retailer 8
-
HK$5,915 HKD
$754 USD
View
A
Retailer 9
-
HK$6,080 HKD
$775 USD
View
A
Retailer 10
-
HK$6,102 HKD
£612 GBP
View
A
Retailer 11
-
HK$6,744 HKD
$860 USD
View
A
Retailer 12
-
HK$9,532 HKD
$1,215 USD
View
A
Retailer 13
-
HK$10,622 HKD
$1,354 USD
View
A
Retailer 14
-
HK$11,532 HKD
$1,470 USD
View
B+
Retailer 15
-
HK$12,758 HKD
$1,626 USD
View
B+
Retailer 16
-
HK$14,088 HKD
£1,414 GBP
View
Most Expensive
B
Do Amore Diamonds
27-C32A20587 · Oct 29
HK$23,300 HKD
$2,970 USD
View
16 more retailers have this diamond
Prices start from HK$2,620 HKDSave up to HK$20,680 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$2,620 HKD