Round|Natural|GIA

1.23ct I VS1 Round Natural Diamond

EX • I/VS1 • GIA 6542810229

Certificate GIA 6542810229

Diamond specifications and retailer prices

From $3,627 USD
As of November 6, 2026
Save $3,600 USD (50%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $8,050 USD at NZ Jewellers · As of September 27, 2026
View at NZ Jewellers

About this 1.23ct natural round diamond

This 1.23ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 6542810229. Listed at 19 retailers as of November 4, 2026, with a 99% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
I
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6542810229
Dimensions6.80 × 6.84 × 4.28 mm
L/W Ratio1.01
Top View
6.80 mm6.84 mm1.23 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542810229
Side View
Table 59.0%Crown 35°GirdlePavilion 41.4°CuletDepth 62.8%

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: Nov 6
Current: $4,580 USD|Low: $3,541 USD|High: $7,437 USD|Avg: $4,690 USD|+0.6%
Retailer 1
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
November 7, 2026
Retailer 5$3,627 USD
Retailer 7$3,774 USD
Retailer 2$3,925 USD
Retailer 4$4,122 USD
Retailer 8$4,233 USD
Retailer 3$4,362 USD
Retailer 1$4,580 USD
Retailer 6$4,657 USD
Retailer 13$4,756 USD
Retailer 10$5,086 USD
Retailer 11$5,115 USD
Retailer 14$5,146 USD
Retailer 9$5,551 USD
Retailer 12$7,227 USD

31 data points across 14 retailers

19 retailers$3,627 USD to $7,227 USD

Retailer 1
-
$3,532 USD
Price last confirmed 50 days ago
A
Retailer 2
-
$3,627 USD
View
B+
Retailer 3
-
$3,774 USD
View
Final sale: no returns
B+
Retailer 4
-
$3,925 USD
View
Retailer 5
-
$4,122 USD
View
Price last confirmed 9 days ago
Retailer 6
-
$4,186 USD
View
Price last confirmed 42 days ago
Retailer 7
-
$4,186 USD
View
Price last confirmed 39 days ago
Retailer 8
-
$4,186 USD
View
Price last confirmed 35 days ago
B+
Retailer 9
-
$4,233 USD
View
B+
Retailer 10
-
$4,362 USD
View
B+
Retailer 11
-
$4,580 USD
View
Retailer 12
-
$4,657 USD
View
Price last confirmed 29 days ago
B+
Retailer 13
-
$4,756 USD
View
B+
Retailer 14
-
$5,086 USD
View
B+
Retailer 15
-
$5,115 USD
View
Retailer 16
-
$5,146 USD
View
Price last confirmed 15 days ago
B+
Retailer 17
-
$5,551 USD
View
B
Retailer 18
-
$7,227 USD
View
Most Expensive
NZ Jewellers
a22df11e-c883-4ca1-84c3-9c06a9896ae9 · Sep 27
$8,050 USD
View
Price last confirmed 40 days ago
18 more retailers have this diamond
Prices start from $3,627 USDSave up to $3,600 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.

A
1.23ct Round
$3,627 USD