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Round|Natural|GIA

0.80ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2554042649

Certificate GIA 2554042649

Diamond specifications and retailer prices

From $1,207 SGD
$944 USD
As of October 31, 2026
Save $2,559 SGD (68%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,766 SGD at NZ Jewellers · As of October 30, 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2554042649. Listed at 19 retailers as of October 30, 2026, with prices from $1,207 to $3,766, a $2,559 spread on the same certified stone. NZ Jewellers lists it at $3,766. 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
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2554042649
Dimensions6.01 × 6.02 × 3.59 mm
L/W Ratio1.00
Top View
6.01 mm6.02 mm0.80 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2554042649
Side View
Table 60.0%Crown 34°Girdle: MED-NULPavilion 40.8°Culet: NoneDepth 59.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $1,995 SGD|Low: $1,207 SGD|High: $2,862 SGD|Avg: $1,982 SGD|+1.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 6$1,207 SGD
Retailer 8$1,603 SGD
Retailer 4$1,752 SGD
Retailer 2$1,947 SGD
Retailer 1$1,995 SGD
Retailer 7$2,019 SGD
Retailer 5$2,284 SGD
Retailer 3$2,828 SGD

38 data points across 8 retailers

19 retailers$1,207 SGD to $3,766 SGD

A
Cheapest Retailer
-
$1,207 SGD
$944 USD
Final sale: no returns
B+
Retailer 2
-
$1,378 SGD
$1,078 USD
View
B+
Retailer 3
-
$1,479 SGD
$1,157 USD
View
Retailer 4
-
$1,544 SGD
$1,208 USD
View
Price last confirmed 55 days ago
B+
Retailer 5
-
$1,544 SGD
$1,208 USD
View
B+
Retailer 6
-
$1,544 SGD
$1,208 USD
View
B+
Retailer 7
-
$1,603 SGD
$1,254 USD
View
B+
Retailer 8
-
$1,700 SGD
$1,330 USD
View
B+
Retailer 9
-
$1,716 SGD
$1,342 USD
View
B+
Retailer 10
-
$1,752 SGD
£1,079 GBP
View
Retailer 11
-
$1,782 SGD
$1,394 USD
View
Price last confirmed 55 days ago
B
Retailer 12
-
$1,782 SGD
$1,394 USD
View
B+
Retailer 13
-
$1,947 SGD
£1,199 GBP
View
B+
Retailer 14
-
$1,955 SGD
$1,529 USD
View
B+
Retailer 15
-
$1,995 SGD
€1,486 EUR
View
Retailer 16
-
$2,019 SGD
A$2,430 AUD
View
Price last confirmed 27 days ago
B
Retailer 17
-
$2,284 SGD
ZAR 28,863 ZAR
View
B
Retailer 18
-
$2,828 SGD
£1,742 GBP
View
Most Expensive
B
NZ Jewellers
5be44580-bda3-42c8-b841-bd20d652b34d · Oct 30
$3,766 SGD
$2,946 USD
View
18 more retailers have this diamond
Prices start from $1,207 SGDSave up to $2,559 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
$1,207 SGD