Round|Natural|GIA

1.23ct J VVS1 Round Natural Diamond

EX • J/VVS1 • GIA 2145871810

Certificate GIA 2145871810

Diamond specifications and retailer prices

From $6,189 NZD
As of November 6, 2026
Save $2,908 NZD (32%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $9,097 NZD 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 $6,189 to $9,097, a $2,908 spread on the same certified stone. 77 Diamonds lists it at $9,097. 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: $9,097 NZD|Low: $6,189 NZD|High: $9,303 NZD|Avg: $7,645 NZD|+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$6,189 NZD
Retailer 10$6,229 NZD
Retailer 7$6,328 NZD
Retailer 3$6,656 NZD
Retailer 5$7,796 NZD
Retailer 4$7,988 NZD
Retailer 8$8,280 NZD
Retailer 9$8,280 NZD
Retailer 11$8,550 NZD
Retailer 2$8,572 NZD
77 Diamonds$9,097 NZD

37 data points across 11 retailers

11 retailers$6,189 NZD to $9,097 NZD

B+
Cheapest Retailer
-
$6,189 NZD
B+
Retailer 2
-
$6,229 NZD
View
B+
Retailer 3
-
$6,328 NZD
View
B+
Retailer 4
-
$6,656 NZD
View
B+
Retailer 5
-
$7,796 NZD
View
B
Retailer 6
-
$7,988 NZD
View
B
Retailer 7
-
$8,280 NZD
View
B
Retailer 8
-
$8,280 NZD
View
B
Retailer 9
-
$8,550 NZD
View
B
Retailer 10
-
$8,572 NZD
View
Most Expensive
B
77 Diamonds
RBZMQR2DBRW · Nov 6
$9,097 NZD
£3,971 GBP
View
10 more retailers have this diamond
Prices start from $6,189 NZDSave up to $2,908 NZD

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
$6,189 NZD