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Round|Natural|GIA

0.81ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 6565611640

Certificate GIA 6565611640

Diamond specifications and retailer prices

From $1,145 SGD
HK$7,000 HKD
As of October 31, 2026
Save $2,609 SGD (69%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,755 SGD at NZ Jewellers · As of October 30, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6565611640. Listed at 19 retailers as of October 30, 2026, with prices from $1,145 to $3,755, a $2,609 spread on the same certified stone. NZ Jewellers lists it at $3,755. 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
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6565611640
Dimensions5.88 × 5.92 × 3.68 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
5.88 mm5.92 mm0.81 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6565611640
Side View
Table 59.0%Crown 36°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $3,755 SGD|Low: $1,129 SGD|High: $3,755 SGD|Avg: $1,706 SGD
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
October 31, 2026
Retailer 12$1,145 SGD
Retailer 11$1,159 SGD
Retailer 10$1,268 SGD
Retailer 8$1,374 SGD
Retailer 2$1,422 SGD
Retailer 5$1,445 SGD
Retailer 4$1,539 SGD
Retailer 16$1,539 SGD
Retailer 7$1,592 SGD
Retailer 17$1,599 SGD
Retailer 6$1,604 SGD
Retailer 14$1,611 SGD
Retailer 3$1,717 SGD
Retailer 13$1,747 SGD
Retailer 9$1,777 SGD
Retailer 18$1,929 SGD
Retailer 15$2,835 SGD
NZ Jewellers$3,755 SGD

13 data points across 18 retailers

19 retailers$1,145 SGD to $3,755 SGD

A
Cheapest Retailer
-
$1,145 SGD
HK$7,000 HKD
A
Retailer 2
-
$1,159 SGD
₹86,339 INR
View
A
Retailer 3
-
$1,268 SGD
$992 USD
View
A
Retailer 4
-
$1,368 SGD
A$1,646 AUD
View
Retailer 5
-
$1,374 SGD
$1,075 USD
View
Price last confirmed 10 days ago
A
Retailer 6
-
$1,422 SGD
$1,112 USD
View
Final sale: no returns
A
Retailer 7
-
$1,445 SGD
$1,130 USD
View
A
Retailer 8
-
$1,539 SGD
$1,204 USD
View
A
Retailer 9
-
$1,539 SGD
$1,204 USD
View
A
Retailer 10
-
$1,592 SGD
View
A
Retailer 11
-
$1,599 SGD
$1,251 USD
View
A
Retailer 12
-
$1,604 SGD
$1,255 USD
View
A
Retailer 13
-
$1,611 SGD
$1,260 USD
View
B+
Retailer 14
-
$1,717 SGD
$1,343 USD
View
B+
Retailer 15
-
$1,747 SGD
£1,076 GBP
View
B+
Retailer 16
-
$1,777 SGD
$1,390 USD
View
B+
Retailer 17
-
$1,929 SGD
$1,509 USD
View
B
Retailer 18
-
$2,835 SGD
£1,746 GBP
View
Most Expensive
B
NZ Jewellers
3c879c23-5240-4eb4-ad28-f5ca13ab54df · Oct 30
$3,755 SGD
$2,937 USD
View
18 more retailers have this diamond
Prices start from $1,145 SGDSave up to $2,609 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
$1,145 SGD