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Round|Lab Grown|IGI

2.71ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG517290052

Shape and cutting style on the report: Round brilliant

Certificate IGI LG517290052

Diamond specifications and retailer prices

From HK$2,511 HKD
$320 USD
As of October 31, 2026
Save HK$9,540 HKD (79%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$12,788 HKD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 2.71ct lab-grown round diamond

This 2.71ct lab-grown round sits in the two to three carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG517290052 or 517290052. Listed at 18 retailers as of October 31, 2026, with a 380% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

2.71
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG517290052
Dimensions9.02 × 9.05 × 5.39 mm
L/W Ratio1.00
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
9.02 mm9.05 mm2.71 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG517290052
Side View
Table 59.5%Crown 33.1°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 59.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: HK$12,788 HKD|Low: HK$2,150 HKD|High: HK$12,906 HKD|Avg: HK$5,916 HKD|-0.9%
Rare Carat
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 31, 2026
Retailer 13HK$2,150 HKD
Retailer 3HK$2,511 HKD
Retailer 11HK$2,777 HKD
Retailer 12HK$2,777 HKD
Retailer 7HK$4,190 HKD
Retailer 14HK$4,582 HKD
Retailer 9HK$4,590 HKD
Retailer 2HK$4,898 HKD
Retailer 4HK$5,790 HKD
Retailer 5HK$6,630 HKD
Retailer 10HK$8,544 HKD
Retailer 6HK$9,323 HKD
Retailer 8HK$11,200 HKD
Rare CaratHK$12,788 HKD

42 data points across 14 retailers

18 retailersHK$2,511 HKD to HK$12,051 HKD

Retailer 1
-
HK$2,150 HKD
$274 USD
Price last confirmed 30 days ago
A
Retailer 2
-
HK$2,511 HKD
$320 USD
View
Final sale: no returns
Retailer 3
-
HK$2,597 HKD
$331 USD
View
Price last confirmed 29 days ago
A
Retailer 4
-
HK$2,777 HKD
$354 USD
View
Retailer 5
-
HK$2,777 HKD
$354 USD
View
Price last confirmed 29 days ago
A
Retailer 6
-
HK$4,190 HKD
£421 GBP
View
Retailer 7
-
HK$4,190 HKD
£421 GBP
View
Price last confirmed 38 days ago
B+
Retailer 8
-
HK$4,582 HKD
$584 USD
View
A
Retailer 9
-
HK$4,590 HKD
$585 USD
View
A
Retailer 10
-
HK$4,898 HKD
£492 GBP
View
A
Retailer 11
-
HK$5,790 HKD
$738 USD
View
A
Retailer 12
-
HK$6,630 HKD
$845 USD
View
B+
Retailer 13
-
HK$8,544 HKD
$1,089 USD
View
Retailer 14
-
HK$8,936 HKD
$1,139 USD
View
Price last confirmed 31 days ago
B+
Retailer 15
-
HK$9,323 HKD
$1,188 USD
View
B+
Retailer 16
-
HK$11,200 HKD
£1,124 GBP
View
B
Retailer 17
-
HK$12,051 HKD
View
Most Expensive
Rare Carat
517290052_l_517290052 · Oct 21
HK$12,788 HKD
$1,630 USD
View
Price last confirmed 10 days ago
17 more retailers have this diamond
Prices start from HK$2,511 HKDSave up to HK$9,540 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
2.71ct Round
HK$2,511 HKD