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Round|Lab Grown|IGI

1.71ct K SI2 Round Lab Grown Diamond

EX • K/SI2 • IGI LG436046532

Shape and cutting style on the report: Round brilliant

Certificate IGI LG436046532

Diamond specifications and retailer prices

From $2,041 USD
As of November 5, 2026
Save $1,757 USD (46%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $6,745 USD 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 LG436046532 or 436046532. 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
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436046532
Dimensions7.67 × 7.71 × 4.71 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.67 mm7.71 mm1.71 ctK / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436046532
Side View
Table 60.0%Crown 33.8°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 61.2%

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: $6,745 USD|Low: $1,960 USD|High: $6,854 USD|Avg: $3,616 USD|-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$2,041 USD
Retailer 6$2,221 USD
Retailer 4$2,368 USD
Retailer 8$3,015 USD
Retailer 7$3,255 USD
Retailer 5$3,704 USD
Retailer 2$3,798 USD
Retailer 9$5,299 USD
MOH London$6,745 USD

15 data points across 9 retailers

8 retailers$2,041 USD to $3,798 USD

B+
Cheapest Retailer
-
$2,041 USD
B
Retailer 2
-
$2,221 USD
View
B
Retailer 3
-
$2,368 USD
View
Retailer 4
-
$2,368 USD
View
Price last confirmed 26 days ago
B
Retailer 5
-
$3,255 USD
View
B
Retailer 6
-
$3,704 USD
View
B
Retailer 7
-
$3,798 USD
View
Most Expensive
MOH London
LG436046532 · Nov 5
$6,745 USD
£5,311 GBP
View
Price under review
7 more retailers have this diamond
Prices start from $2,041 USDSave up to $1,757 USD

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
$2,041 USD