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Round|Lab Grown|IGI

1.71ct K SI2 Round Lab Grown Diamond

EX • K/SI2 • IGI LG440011209

Shape and cutting style on the report: Round brilliant

Certificate IGI LG440011209

Diamond specifications and retailer prices

From $2,607 SGD
As of November 5, 2026
Save $2,244 SGD (46%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $8,615 SGD at MOH London · As of November 5, 2026
View at MOH London

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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG440011209 or 440011209. Listed at 8 retailers as of November 4, 2026, with a 86% 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

1.71
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG440011209
Dimensions7.58 × 7.62 × 4.75 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.58 mm7.62 mm1.71 ctK / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG440011209
Side View
Table 55.5%Crown 36.3°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $8,615 SGD|Low: $2,504 SGD|High: $8,755 SGD|Avg: $4,618 SGD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 3$2,607 SGD
Retailer 6$2,837 SGD
Retailer 4$3,025 SGD
Retailer 8$3,851 SGD
Retailer 7$4,158 SGD
Retailer 5$4,731 SGD
Retailer 2$4,851 SGD
Retailer 9$6,768 SGD
MOH London$8,615 SGD

15 data points across 9 retailers

8 retailers$2,607 SGD to $4,851 SGD

B+
Cheapest Retailer
-
$2,607 SGD
B
Retailer 2
-
$2,837 SGD
View
B
Retailer 3
-
$3,025 SGD
View
Retailer 4
-
$3,025 SGD
View
Price last confirmed 26 days ago
B
Retailer 5
-
$4,158 SGD
View
B
Retailer 6
-
$4,731 SGD
View
B
Retailer 7
-
$4,851 SGD
View
Most Expensive
MOH London
LG440011209 · Nov 5
$8,615 SGD
£5,311 GBP
View
Price under review
7 more retailers have this diamond
Prices start from $2,607 SGDSave up to $2,244 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.

B+
1.71ct Round
$2,607 SGD