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Round|Natural|GIA

0.80ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 2487911155

Certificate GIA 2487911155

Diamond specifications and retailer prices

From $2,147 NZD
As of November 6, 2026
Save $2,744 NZD (56%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $6,961 NZD at NZ Jewellers · As of September 26, 2026
View at NZ Jewellers

About this 0.8ct natural round diamond

This 0.8ct natural round sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2487911155. Listed at 22 retailers as of November 4, 2026, with a 128% 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

0.80
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle32.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2487911155
Dimensions6.05 × 6.01 × 3.58 mm
L/W Ratio1.01
Star length45%
Lower girdle75%
Top View
6.05 mm6.01 mm0.80 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 2487911155
Side View
Table 61.0%Crown 32.5°Girdle: THN-STKPavilion 40.8°Culet: NoneDepth 59.4%

Caratlytics Score

How it works →
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 6
Current: $2,217 NZD|Low: $2,147 NZD|High: $4,964 NZD|Avg: $3,263 NZD|-3.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 9$2,147 NZD
Retailer 1$2,217 NZD
Retailer 2$2,583 NZD
Retailer 10$2,598 NZD
Retailer 7$2,850 NZD
Retailer 3$2,978 NZD
Retailer 4$3,076 NZD
Retailer 5$3,795 NZD
Retailer 6$4,140 NZD
Retailer 8$4,890 NZD

31 data points across 10 retailers

22 retailers$2,147 NZD to $4,890 NZD

A
Cheapest Retailer
-
$2,147 NZD
A
Retailer 2
-
$2,217 NZD
View
Retailer 3
-
$2,228 NZD
View
Price last confirmed 37 days ago
A
Retailer 4
-
$2,583 NZD
View
Final sale: no returns
Retailer 5
-
$2,585 NZD
View
Price last confirmed 39 days ago
A
Retailer 6
-
$2,598 NZD
View
A
Retailer 7
-
$2,598 NZD
View
A
Retailer 8
-
$2,635 NZD
View
Retailer 9
-
$2,654 NZD
View
Price last confirmed 38 days ago
A
Retailer 10
-
$2,733 NZD
View
A
Retailer 11
-
$2,769 NZD
View
Retailer 12
-
$2,800 NZD
View
Price last confirmed 21 days ago
A
Retailer 13
-
$2,850 NZD
View
A
Retailer 14
-
$2,978 NZD
View
Retailer 15
-
$2,984 NZD
View
Price last confirmed 38 days ago
A
Retailer 16
-
$3,076 NZD
View
Retailer 17
-
$3,653 NZD
View
Price last confirmed 32 days ago
B+
Retailer 18
-
$3,795 NZD
View
B+
Retailer 19
-
$4,140 NZD
View
B+
Retailer 20
-
$4,890 NZD
View
Retailer 21
-
$6,830 NZD
View
Price last confirmed 20 days ago
Most Expensive
NZ Jewellers
893bb1b9-79b3-4792-9269-21924e1af224 · Sep 26
$6,961 NZD
$3,859 USD
View
Price last confirmed 40 days ago
21 more retailers have this diamond
Prices start from $2,147 NZDSave up to $2,744 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.

A
0.80ct Round
$2,147 NZD