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Round|Natural|GIA

1.23ct J VVS1 Round Natural Diamond

EX • J/VVS1 • GIA 2145871810

Certificate GIA 2145871810

Diamond specifications and retailer prices

From $4,397 SGD
As of November 6, 2026
Save $2,066 SGD (32%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,463 SGD at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 1.23ct natural round diamond

This 1.23ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by GIA 2145871810. Listed at 11 retailers as of November 6, 2026, with prices from $4,397 to $6,463, a $2,066 spread on the same certified stone. 77 Diamonds lists it at $6,463. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
J
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2145871810
Dimensions6.85 × 6.88 × 4.27 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.85 mm6.88 mm1.23 ctJ / VVS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2145871810
Side View
Table 58.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.2%

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: $6,463 SGD|Low: $4,339 SGD|High: $6,609 SGD|Avg: $5,430 SGD|+0.2%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 6$4,397 SGD
Retailer 10$4,425 SGD
Retailer 7$4,496 SGD
Retailer 3$4,729 SGD
Retailer 5$5,539 SGD
Retailer 4$5,675 SGD
Retailer 8$5,883 SGD
Retailer 9$5,883 SGD
Retailer 11$6,075 SGD
Retailer 2$6,090 SGD
77 Diamonds$6,463 SGD

38 data points across 11 retailers

11 retailers$4,397 SGD to $6,463 SGD

B+
Cheapest Retailer
-
$4,397 SGD
B+
Retailer 2
-
$4,425 SGD
View
B+
Retailer 3
-
$4,496 SGD
View
B+
Retailer 4
-
$4,729 SGD
View
B+
Retailer 5
-
$5,539 SGD
View
B
Retailer 6
-
$5,675 SGD
View
B
Retailer 7
-
$5,883 SGD
View
B
Retailer 8
-
$5,883 SGD
View
B
Retailer 9
-
$6,075 SGD
View
B
Retailer 10
-
$6,090 SGD
View
Most Expensive
B
77 Diamonds
RBZMQR2DBRW · Nov 6
$6,463 SGD
£3,971 GBP
View
10 more retailers have this diamond
Prices start from $4,397 SGDSave up to $2,066 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.

B+
1.23ct Round
$4,397 SGD