Round|Natural|GIA

1.23ct I VS1 Round Natural Diamond

EX • I/VS1 • GIA 1479205376

Certificate GIA 1479205376

Diamond specifications and retailer prices

From $4,390 USD
As of November 1, 2026
Save $4,755 USD (52%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $9,145 USD at NZ Jewellers · As of November 5, 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 1479205376. Listed at 16 retailers as of November 1, 2026, with prices from $4,390 to $9,145, a $4,755 spread on the same certified stone. NZ Jewellers lists it at $9,145. 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
OriginNatural
Grading LabGIA
CertificateGIA 1479205376
Dimensions6.84 × 6.80 × 4.28 mm
L/W Ratio1.01
Top View
6.84 mm6.80 mm1.23 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1479205376
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $5,248 USD|Low: $4,390 USD|High: $8,813 USD|Avg: $5,784 USD|+0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 7$4,390 USD
Retailer 9$4,572 USD
Retailer 8$4,615 USD
Retailer 2$4,954 USD
Retailer 1$5,248 USD
Retailer 10$5,512 USD
Retailer 5$5,969 USD
Retailer 3$6,153 USD
Retailer 4$6,671 USD
Retailer 6$8,685 USD

43 data points across 10 retailers

16 retailers$4,390 USD to $9,145 USD

B+
Cheapest Retailer
-
$4,390 USD
B+
Retailer 2
-
$4,572 USD
View
Final sale: no returns
B+
Retailer 3
-
$4,615 USD
View
B+
Retailer 4
-
$4,954 USD
View
Retailer 5
-
$4,954 USD
View
Price last confirmed 9 days ago
B+
Retailer 6
-
$4,954 USD
View
B+
Retailer 7
-
$5,248 USD
View
Retailer 8
-
$5,512 USD
View
Price last confirmed 29 days ago
B+
Retailer 9
-
$5,716 USD
View
B+
Retailer 10
-
$5,969 USD
View
Retailer 11
-
$6,033 USD
View
Price last confirmed 15 days ago
B
Retailer 12
-
$6,153 USD
View
B
Retailer 13
-
$6,355 USD
View
B
Retailer 14
-
$6,671 USD
View
B
Retailer 15
-
$8,685 USD
View
Most Expensive
B
NZ Jewellers
7d4bf966-86ea-47bc-9d5f-c8ea8a95f02e · Nov 5
$9,145 USD
View
15 more retailers have this diamond
Prices start from $4,390 USDSave up to $4,755 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
$4,390 USD