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Round|Natural|GIA

1.23ct I VVS1 Round Natural Diamond

EX • I/VVS1 • GIA 6555862870

Certificate GIA 6555862870

Diamond specifications and retailer prices

From $3,749 USD
As of November 6, 2026
Save $3,373 USD (47%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $7,122 USD at MOH London · As of November 4, 2026
View at MOH London

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by GIA 6555862870. Listed at 21 retailers as of November 4, 2026, with prices from $3,749 to $7,122, a $3,373 spread on the same certified stone. MOH London lists it at $7,122. 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
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6555862870
Dimensions6.84 × 6.88 × 4.20 mm
L/W Ratio1.01
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather
Top View
6.84 mm6.88 mm1.23 ctI / VVS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6555862870
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.2%

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: $7,122 USD|Low: $3,437 USD|High: $7,228 USD|Avg: $4,660 USD|+7.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 5, 2026
Retailer 5$3,749 USD
Retailer 6$3,802 USD
Retailer 17$3,900 USD
Retailer 11$3,955 USD
Retailer 15$4,018 USD
Retailer 8$4,140 USD
Retailer 10$4,156 USD
Retailer 14$4,465 USD
Retailer 16$4,465 USD
Retailer 13$4,557 USD
Retailer 4$4,620 USD
Retailer 18$4,620 USD
Retailer 9$4,757 USD
Retailer 3$4,780 USD
Retailer 12$4,786 USD
Retailer 2$5,016 USD
Retailer 7$5,227 USD
Retailer 19$6,548 USD
MOH London$7,122 USD

30 data points across 19 retailers

21 retailers$3,749 USD to $7,122 USD

A
Cheapest Retailer
-
$3,749 USD
Final sale: no returns
A
Retailer 2
-
$3,802 USD
View
A
Retailer 3
-
$3,900 USD
View
Retailer 4
-
$3,955 USD
View
Price last confirmed 43 days ago
A
Retailer 5
-
$4,018 USD
View
B+
Retailer 6
-
$4,465 USD
View
B+
Retailer 7
-
$4,465 USD
View
B+
Retailer 8
-
$4,557 USD
View
Retailer 9
-
$4,563 USD
View
Price last confirmed 45 days ago
Retailer 10
-
$4,563 USD
View
Price last confirmed 68 days ago
B+
Retailer 11
-
$4,620 USD
View
B+
Retailer 12
-
$4,620 USD
View
Retailer 13
-
$4,757 USD
View
Price last confirmed 42 days ago
B+
Retailer 14
-
$4,780 USD
View
B+
Retailer 15
-
$4,786 USD
View
B+
Retailer 16
-
$5,016 USD
View
B+
Retailer 17
-
$5,227 USD
View
B
Retailer 18
-
$6,548 USD
View
Retailer 19
-
$6,890 USD
View
Price last confirmed 66 days ago
Retailer 20
-
$6,890 USD
View
Price last confirmed 42 days ago
Most Expensive
B
MOH London
307BEFF41 · Nov 4
$7,122 USD
£5,608 GBP
View
20 more retailers have this diamond
Prices start from $3,749 USDSave up to $3,373 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
$3,749 USD