Round|Natural|GIA

0.80ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 2487911155

Certificate GIA 2487911155

Diamond specifications and retailer prices

From $1,190 USD
As of November 6, 2026
Save $1,521 USD (56%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,859 USD 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
Color
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: $1,229 USD|Low: $1,190 USD|High: $2,752 USD|Avg: $1,809 USD|-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$1,190 USD
Retailer 1$1,229 USD
Retailer 2$1,432 USD
Retailer 10$1,440 USD
Retailer 7$1,580 USD
Retailer 3$1,651 USD
Retailer 4$1,705 USD
Retailer 5$2,104 USD
Retailer 6$2,295 USD
Retailer 8$2,711 USD

31 data points across 10 retailers

22 retailers$1,190 USD to $2,711 USD

A
Cheapest Retailer
-
$1,190 USD
A
Retailer 2
-
$1,229 USD
View
Retailer 3
-
$1,235 USD
View
Price last confirmed 37 days ago
A
Retailer 4
-
$1,432 USD
View
Final sale: no returns
Retailer 5
-
$1,433 USD
View
Price last confirmed 39 days ago
A
Retailer 6
-
$1,440 USD
View
A
Retailer 7
-
$1,440 USD
View
A
Retailer 8
-
$1,461 USD
View
Retailer 9
-
$1,471 USD
View
Price last confirmed 38 days ago
A
Retailer 10
-
$1,515 USD
View
A
Retailer 11
-
$1,535 USD
View
Retailer 12
-
$1,552 USD
View
Price last confirmed 21 days ago
A
Retailer 13
-
$1,580 USD
View
A
Retailer 14
-
$1,651 USD
View
Retailer 15
-
$1,654 USD
View
Price last confirmed 38 days ago
A
Retailer 16
-
$1,705 USD
View
Retailer 17
-
$2,025 USD
View
Price last confirmed 32 days ago
B+
Retailer 18
-
$2,104 USD
View
B+
Retailer 19
-
$2,295 USD
View
B+
Retailer 20
-
$2,711 USD
View
Retailer 21
-
$3,786 USD
View
Price last confirmed 20 days ago
Most Expensive
NZ Jewellers
893bb1b9-79b3-4792-9269-21924e1af224 · Sep 26
$3,859 USD
View
Price last confirmed 40 days ago
21 more retailers have this diamond
Prices start from $1,190 USDSave up to $1,521 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. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
0.80ct Round
$1,190 USD