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Round|Natural|GIA

0.80ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 1555455999

Certificate GIA 1555455999

Diamond specifications and retailer prices

From $1,935 SGD
As of November 1, 2026
Save $3,983 SGD (67%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $5,918 SGD at NZ Jewellers · As of November 5, 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 1555455999. Listed at 25 retailers as of November 1, 2026, with prices from $1,935 to $5,918, a $3,983 spread on the same certified stone. NZ Jewellers lists it at $5,918. 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
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1555455999
Dimensions5.90 × 5.95 × 3.70 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Culet sizeNone
Key to symbols
Crystal
Top View
5.90 mm5.95 mm0.80 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1555455999
Side View
Table 57.0%Crown 35°Girdle: THN-STKPavilion 41°Culet: NoneDepth 62.5%

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 1
Current: $5,918 SGD|Low: $1,860 SGD|High: $5,918 SGD|Avg: $2,943 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 6, 2026
Retailer 10$1,935 SGD
Retailer 12$2,003 SGD
Retailer 11$2,028 SGD
Retailer 6$2,198 SGD
Retailer 8$2,198 SGD
Retailer 14$2,286 SGD
Retailer 7$2,299 SGD
Retailer 21$2,340 SGD
Retailer 13$2,478 SGD
Retailer 20$2,478 SGD
Retailer 9$2,537 SGD
Retailer 16$2,567 SGD
Retailer 17$2,603 SGD
Retailer 2$2,658 SGD
Retailer 18$2,862 SGD
Retailer 15$3,041 SGD
Retailer 19$3,286 SGD
Retailer 4$3,613 SGD
Retailer 3$4,250 SGD
Retailer 5$4,436 SGD
NZ Jewellers$5,918 SGD

29 data points across 21 retailers

25 retailers$1,935 SGD to $5,918 SGD

A
Cheapest Retailer
-
$1,935 SGD
A
Retailer 2
-
$2,003 SGD
View
A
Retailer 3
-
$2,028 SGD
View
Final sale: no returns
A
Retailer 4
-
$2,198 SGD
View
Retailer 5
-
$2,198 SGD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$2,211 SGD
View
A
Retailer 7
-
$2,286 SGD
View
A
Retailer 8
-
$2,289 SGD
View
A
Retailer 9
-
$2,299 SGD
View
B+
Retailer 10
-
$2,340 SGD
View
B+
Retailer 11
-
$2,478 SGD
View
B+
Retailer 12
-
$2,478 SGD
View
B+
Retailer 13
-
$2,537 SGD
View
B+
Retailer 14
-
$2,567 SGD
View
B+
Retailer 15
-
$2,603 SGD
View
B+
Retailer 16
-
$2,658 SGD
View
B+
Retailer 17
-
$2,862 SGD
View
B+
Retailer 18
-
$2,891 SGD
View
B+
Retailer 19
-
$3,041 SGD
View
Retailer 20
-
$3,165 SGD
View
Price last confirmed 32 days ago
B+
Retailer 21
-
$3,286 SGD
View
B+
Retailer 22
-
$3,613 SGD
View
B
Retailer 23
-
$4,250 SGD
View
Retailer 24
-
$4,436 SGD
View
Price last confirmed 9 days ago
Most Expensive
B
NZ Jewellers
b6d2e8fe-030a-47c9-9295-07942ee8031c · Nov 5
$5,918 SGD
$4,633 USD
View
24 more retailers have this diamond
Prices start from $1,935 SGDSave up to $3,983 SGD

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
$1,935 SGD