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Round|Natural|GIA

0.81ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 3425192437

Certificate GIA 3425192437

Diamond specifications and retailer prices

From $773 SGD
As of November 5, 2026
Save $2,429 SGD (76%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,202 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.81ct natural round diamond

This 0.81ct natural round sits in the just-under-one-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3425192437. Listed at 19 retailers as of November 5, 2026, with prices from $773 to $3,202, a $2,429 spread on the same certified stone. NZ Jewellers lists it at $3,202. 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

0.81
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 3425192437
Dimensions6.01 × 5.99 × 3.68 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
6.01 mm5.99 mm0.81 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3425192437
Side View
Table 59.0%Crown 33.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.3%

Caratlytics Score

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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 5
Current: $3,202 SGD|Low: $773 SGD|High: $3,266 SGD|Avg: $1,276 SGD|-2.0%
NZ Jewellers
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 15$773 SGD
Retailer 10$784 SGD
Retailer 8$1,007 SGD
Retailer 3$1,021 SGD
Retailer 16$1,036 SGD
Retailer 9$1,044 SGD
Retailer 5$1,060 SGD
Retailer 18$1,063 SGD
Retailer 11$1,088 SGD
Retailer 4$1,178 SGD
Retailer 17$1,190 SGD
Retailer 12$1,202 SGD
Retailer 7$1,213 SGD
Retailer 14$1,224 SGD
Retailer 2$1,348 SGD
Retailer 13$1,358 SGD
Retailer 6$1,876 SGD
NZ Jewellers$3,202 SGD

16 data points across 18 retailers

19 retailers$773 SGD to $3,202 SGD

A
Cheapest Retailer
-
$773 SGD
A
Retailer 2
-
$784 SGD
View
A
Retailer 3
-
$1,007 SGD
View
A
Retailer 4
-
$1,021 SGD
View
A
Retailer 5
-
$1,036 SGD
View
Retailer 6
-
$1,044 SGD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$1,060 SGD
View
A
Retailer 8
-
$1,063 SGD
View
A
Retailer 9
-
$1,088 SGD
View
Retailer 10
-
$1,156 SGD
View
Price last confirmed 30 days ago
A
Retailer 11
-
$1,178 SGD
View
A
Retailer 12
-
$1,190 SGD
View
A
Retailer 13
-
$1,202 SGD
View
A
Retailer 14
-
$1,213 SGD
View
A
Retailer 15
-
$1,224 SGD
View
A
Retailer 16
-
$1,348 SGD
View
B+
Retailer 17
-
$1,358 SGD
View
B
Retailer 18
-
$1,876 SGD
View
Most Expensive
B
NZ Jewellers
e5fc6c79-4b1a-4ec2-b2f7-f794fd5eedf2 · Nov 5
$3,202 SGD
$2,507 USD
View
18 more retailers have this diamond
Prices start from $773 SGDSave up to $2,429 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
0.81ct Round
$773 SGD