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Round|Natural|GIA

0.81ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 1439670360

Certificate GIA 1439670360

Diamond specifications and retailer prices

From $1,057 USD
Save $1,911 USD (64%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,968 USD at NZ Jewellers
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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1439670360. Listed at 16 retailers, with prices from $1,057 to $2,968 at NZ Jewellers, a $1,911 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
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1439670360
Dimensions5.93 × 5.97 × 3.73 mm
L/W Ratio1.01
Culet sizeNone
Top View
5.93 mm5.97 mm0.81 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1439670360
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.8%

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: $2,256 USD|Low: $1,057 USD|High: $2,256 USD|Avg: $1,417 USD|+1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 1, 2026
Retailer 9$1,057 USD
Retailer 5$1,060 USD
Retailer 7$1,082 USD
Retailer 6$1,154 USD
Retailer 8$1,196 USD
Retailer 4$1,340 USD
Retailer 3$1,778 USD
Retailer 2$1,848 USD
Retailer 10$2,034 USD
Retailer 1$2,256 USD

38 data points across 10 retailers

16 retailers$1,057 USD to $2,968 USD

A
Cheapest Retailer
-
$1,057 USD
A
Retailer 2
-
$1,060 USD
View
B+
Retailer 3
-
$1,082 USD
View
B+
Retailer 4
-
$1,102 USD
View
B+
Retailer 5
-
$1,102 USD
View
B+
Retailer 6
-
$1,145 USD
View
B+
Retailer 7
-
$1,154 USD
View
Price last confirmed 32 days ago
B+
Retailer 8
-
$1,196 USD
View
B+
Retailer 9
-
$1,272 USD
View
B+
Retailer 10
-
$1,343 USD
£1,057 GBP
View
B
Retailer 11
-
$1,479 USD
View
B
Retailer 12
-
$1,778 USD
ZAR 28,719 ZAR
View
B
Retailer 13
-
$1,848 USD
View
B
Retailer 14
-
$2,034 USD
€1,937 EUR
View
Price last confirmed 98 days ago
B
Retailer 15
-
$2,256 USD
£1,776 GBP
View
Most Expensive
B
NZ Jewellers
76564776-ea83-4cd8-9885-be88cc260172 · Sep 28
$2,968 USD
View
15 more retailers have this diamond
Prices start from $1,057 USDSave up to $1,911 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
$1,057 USD