Round|Natural|GIA

1.23ct J VVS1 Round Natural Diamond

EX • J/VVS1 • GIA 2145871810

Certificate GIA 2145871810

Diamond specifications and retailer prices

From $3,431 USD
As of November 6, 2026
Save $1,612 USD (32%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,043 USD 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 $3,431 to $5,043, a $1,612 spread on the same certified stone. 77 Diamonds lists it at $5,043. 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
Color
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: $5,043 USD|Low: $3,386 USD|High: $5,157 USD|Avg: $4,237 USD|+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$3,431 USD
Retailer 10$3,453 USD
Retailer 7$3,508 USD
Retailer 3$3,690 USD
Retailer 5$4,322 USD
Retailer 4$4,428 USD
Retailer 8$4,590 USD
Retailer 9$4,590 USD
Retailer 11$4,740 USD
Retailer 2$4,752 USD
77 Diamonds$5,043 USD

38 data points across 11 retailers

11 retailers$3,431 USD to $5,043 USD

B+
Cheapest Retailer
-
$3,431 USD
B+
Retailer 2
-
$3,453 USD
View
B+
Retailer 3
-
$3,508 USD
View
B+
Retailer 4
-
$3,690 USD
View
B+
Retailer 5
-
$4,322 USD
View
B
Retailer 6
-
$4,428 USD
View
B
Retailer 7
-
$4,590 USD
View
B
Retailer 8
-
$4,590 USD
View
B
Retailer 9
-
$4,740 USD
View
B
Retailer 10
-
$4,752 USD
View
Most Expensive
B
77 Diamonds
RBZMQR2DBRW · Nov 6
$5,043 USD
£3,971 GBP
View
10 more retailers have this diamond
Prices start from $3,431 USDSave up to $1,612 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.

B+
1.23ct Round
$3,431 USD