Round|Natural|GIA

0.81ct L SI1 Round Natural Diamond

EX • L/SI1 • GIA 6501748447

Shape and cutting style on the report: Round brilliant

Certificate GIA 6501748447

Diamond specifications and retailer prices

From $1,658 NZD
As of November 6, 2026
Save $425 NZD (20%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $4,495 NZD at NZ Jewellers · As of September 28, 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 L colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6501748447. Listed at 9 retailers as of November 5, 2026, with a 26% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
L
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6501748447
Dimensions5.92 × 5.95 × 3.71 mm
L/W Ratio1.01
Star length45%
Lower girdle75%
Top View
5.92 mm5.95 mm0.81 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6501748447
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,658 NZD|Low: $1,619 NZD|High: $2,124 NZD|Avg: $1,899 NZD|+2.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 1$1,658 NZD
Retailer 4$1,708 NZD
Retailer 2$1,976 NZD
Retailer 3$2,083 NZD

43 data points across 4 retailers

9 retailers$1,658 NZD to $2,083 NZD

Retailer 1
-
$1,434 NZD
Price last confirmed 29 days ago
Retailer 2
-
$1,434 NZD
View
Price last confirmed 29 days ago
Retailer 3
-
$1,489 NZD
View
Price last confirmed 38 days ago
Retailer 4
-
$1,654 NZD
View
Price last confirmed 38 days ago
B+
Retailer 5
-
$1,658 NZD
View
B+
Retailer 6
-
$1,708 NZD
View
B+
Retailer 7
-
$1,976 NZD
View
B+
Retailer 8
-
$2,083 NZD
View
Most Expensive
NZ Jewellers
57d80364-7093-43ce-afb1-c331b698e274 · Sep 28
$4,495 NZD
$2,527 USD
View
Price last confirmed 39 days ago
8 more retailers have this diamond
Prices start from $1,658 NZDSave up to $425 NZD

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.

B+
0.81ct Round
$1,658 NZD