Round|Natural|GIA

5.15ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 1162220114

Certificate GIA 1162220114

Diamond specifications and retailer prices

From $69,859 SGD
As of November 4, 2026
Save $39,209 SGD (36%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $109,068 SGD at MOH London · As of November 2, 2026
View at MOH London

About this 5.15ct natural round diamond

This 5.15ct 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 GIA 1162220114. Listed at 10 retailers as of November 2, 2026, with prices from $69,859 to $109,068, a $39,209 spread on the same certified stone. MOH London lists it at $109,068. 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

5.15
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1162220114
Dimensions11.13 × 11.15 × 6.82 mm
L/W Ratio1.00
Culet sizeNone
Top View
11.13 mm11.15 mm5.15 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1162220114
Side View
Table 57.0%Crown 35°Girdle: THN-MEDPavilion 40.8°Culet: NoneDepth 61.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: $109,068 SGD|Low: $66,924 SGD|High: $110,382 SGD|Avg: $79,112 SGD
MOH London
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
November 4, 2026
Retailer 4$66,924 SGD
Retailer 5$69,550 SGD
Retailer 9$69,859 SGD
Retailer 2$70,789 SGD
Retailer 11$71,754 SGD
Retailer 7$72,746 SGD
Retailer 10$74,594 SGD
Retailer 6$77,086 SGD
Retailer 13$80,297 SGD
Retailer 8$82,864 SGD
Retailer 3$83,510 SGD
Retailer 12$83,957 SGD
Retailer 14$86,722 SGD
MOH London$109,068 SGD

32 data points across 14 retailers

10 retailers$69,859 SGD to $109,068 SGD

Retailer 1
-
$66,924 SGD
Price last confirmed 32 days ago
A
Retailer 2
-
$69,859 SGD
View
A
Retailer 3
-
$70,789 SGD
View
A
Retailer 4
-
$72,746 SGD
View
B+
Retailer 5
-
$74,594 SGD
View
Retailer 6
-
$80,297 SGD
View
Price last confirmed 38 days ago
Retailer 7
-
$82,864 SGD
View
Price last confirmed 15 days ago
Retailer 8
-
$83,510 SGD
View
Price last confirmed 36 days ago
Retailer 9
-
$86,722 SGD
View
Price last confirmed 38 days ago
Most Expensive
B
MOH London
847235BFF · Nov 2
$109,068 SGD
£67,236 GBP
View
9 more retailers have this diamond
Prices start from $69,859 SGDSave up to $39,209 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
5.15ct Round
$69,859 SGD