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5.66ct K SI1 Round Natural Diamond

EX • K/SI1 • IGI 836682387

Shape and cutting style on the report: Round brilliant

Certificate IGI 836682387

Diamond specifications and retailer prices

From $50,436 SGD
As of November 4, 2026
Save $74,503 SGD (60%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $124,939 SGD at Sarvada Jewels · As of November 6, 2026
View at Sarvada Jewels

About this 5.66ct natural round diamond

This 5.66ct natural round sits in the over five carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 836682387. Listed at 10 retailers as of November 4, 2026, with prices from $50,436 to $124,939, a $74,503 spread on the same certified stone. Sarvada Jewels lists it at $124,939. 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

5.66
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.9°
OriginNatural
Grading LabIGI
CertificateIGI 836682387
Dimensions11.21 × 11.31 × 7.07 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
11.21 mm11.31 mm5.66 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 836682387
Side View
Table 58.0%Crown 36.2°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.8%

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: Nov 4
Current: $60,777 SGD|Low: $50,436 SGD|High: $128,524 SGD|Avg: $67,669 SGD|-0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Sarvada Jewels
November 6, 2026
Retailer 6$50,436 SGD
Retailer 2$50,736 SGD
Retailer 4$51,106 SGD
Retailer 7$53,949 SGD
Retailer 1$60,777 SGD
Retailer 5$61,003 SGD
Retailer 3$78,531 SGD
Sarvada Jewels$124,939 SGD

32 data points across 8 retailers

10 retailers$50,436 SGD to $124,939 SGD

A
Cheapest Retailer
-
$50,436 SGD
A
Retailer 2
-
$50,736 SGD
View
A
Retailer 3
-
$51,106 SGD
View
A
Retailer 4
-
$53,949 SGD
View
Retailer 5
-
$55,653 SGD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$60,777 SGD
View
A
Retailer 7
-
$61,003 SGD
View
A
Retailer 8
-
$61,976 SGD
View
A
Retailer 9
-
$78,531 SGD
View
Most Expensive
B
Sarvada Jewels
184529175 · Nov 6
$124,939 SGD
₹9,284,456 INR
View
9 more retailers have this diamond
Prices start from $50,436 SGDSave up to $74,503 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
5.66ct Round
$50,436 SGD