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Round|Natural|GIA

0.81ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2547393971

Certificate GIA 2547393971

Diamond specifications and retailer prices

From $643 USD
₹61,280 INR
Save $920 USD (59%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,563 USD at MOH London
View at MOH London

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2547393971. Listed at 11 retailers, with prices from $643 to $1,563 at MOH London, a $920 spread on the same certified stone. 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
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2547393971
Dimensions5.93 × 5.95 × 3.70 mm
L/W Ratio1.00
Star length50%
Top View
5.93 mm5.95 mm0.81 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2547393971
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.3%

Caratlytics Score

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

Price History

Last verified: Oct 1
Current: $1,563 USD|Low: $633 USD|High: $1,563 USD|Avg: $972 USD|+1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 1, 2026
Retailer 2$643 USD
Retailer 8$798 USD
Retailer 11$854 USD
Retailer 3$875 USD
Retailer 7$972 USD
Retailer 12$976 USD
Retailer 9$1,003 USD
Retailer 10$1,005 USD
Retailer 4$1,020 USD
Retailer 6$1,167 USD
Retailer 5$1,227 USD
MOH London$1,563 USD

32 data points across 12 retailers

11 retailers$643 USD to $1,563 USD

A
Cheapest Retailer
-
$643 USD
₹61,280 INR
A
Retailer 2
-
$798 USD
View
A
Retailer 3
-
$854 USD
View
A
Retailer 4
-
$875 USD
SGD 1,182 SGD
View
A
Retailer 5
-
$974 USD
£767 GBP
View
A
Retailer 6
-
$976 USD
View
A
Retailer 7
-
$1,003 USD
£790 GBP
View
A
Retailer 8
-
$1,005 USD
View
B+
Retailer 9
-
$1,167 USD
€1,111 EUR
View
B+
Retailer 10
-
$1,227 USD
ZAR 19,820 ZAR
View
Most Expensive
B
MOH London
1C49E1C42 · Oct 1
$1,563 USD
£1,231 GBP
View
10 more retailers have this diamond
Prices start from $643 USDSave up to $920 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.

A
0.81ct Round
$643 USD