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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 $410 SGD
$320 USD
As of October 28, 2026
Save $1,559 SGD (79%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,089 SGD 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 28, 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 28
Current: $2,089 SGD|Low: $351 SGD|High: $2,108 SGD|Avg: $967 SGD|-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 29, 2026
Retailer 13$351 SGD
Retailer 3$410 SGD
Retailer 11$454 SGD
Retailer 12$454 SGD
Retailer 8$686 SGD
Retailer 14$749 SGD
Retailer 9$750 SGD
Retailer 2$800 SGD
Retailer 4$946 SGD
Retailer 5$1,083 SGD
Retailer 10$1,396 SGD
Retailer 6$1,523 SGD
Retailer 7$1,830 SGD
Rare Carat$2,089 SGD

43 data points across 14 retailers

18 retailers$410 SGD to $1,969 SGD

A
Retailer 1
-
$351 SGD
$274 USD
Price last confirmed 28 days ago
A
Retailer 2
-
$410 SGD
$320 USD
View
Final sale: no returns
A
Retailer 3
-
$424 SGD
$331 USD
View
Price last confirmed 26 days ago
A
Retailer 4
-
$454 SGD
$354 USD
View
A
Retailer 5
-
$454 SGD
$354 USD
View
Price last confirmed 27 days ago
A
Retailer 6
-
$684 SGD
£421 GBP
View
Price last confirmed 36 days ago
A
Retailer 7
-
$686 SGD
£422 GBP
View
B+
Retailer 8
-
$749 SGD
$584 USD
View
A
Retailer 9
-
$750 SGD
$585 USD
View
A
Retailer 10
-
$800 SGD
£492 GBP
View
A
Retailer 11
-
$946 SGD
$738 USD
View
A
Retailer 12
-
$1,083 SGD
$845 USD
View
B+
Retailer 13
-
$1,396 SGD
$1,089 USD
View
B+
Retailer 14
-
$1,460 SGD
$1,139 USD
View
Price last confirmed 29 days ago
B+
Retailer 15
-
$1,523 SGD
$1,188 USD
View
B+
Retailer 16
-
$1,830 SGD
£1,124 GBP
View
B
Retailer 17
-
$1,969 SGD
HK$12,000 HKD
View
Most Expensive
B
Rare Carat
517290052_l_517290052 · Oct 21
$2,089 SGD
$1,630 USD
View
Price last confirmed 8 days ago
17 more retailers have this diamond
Prices start from $410 SGDSave up to $1,559 SGD

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
$410 SGD