Round|Natural|GIA

1.23ct I I1 Round Natural Diamond

EX • I/I1 • GIA 6525679970

Certificate GIA 6525679970

Diamond specifications and retailer prices

From $1,971 USD
HK$15,400 HKD
As of November 1, 2026
Save $3,571 USD (64%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $5,542 USD at NZ Jewellers · As of November 2, 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 I1 clarity (included), with a top-tier cut grade and certified by GIA 6525679970. Listed at 8 retailers as of November 1, 2026, with prices from $1,971 to $5,542, a $3,571 spread on the same certified stone. NZ Jewellers lists it at $5,542. 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
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6525679970
Dimensions6.83 × 6.86 × 4.23 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
6.83 mm6.86 mm1.23 ctI / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6525679970
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.7%

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 1
Current: $5,542 USD|Low: $1,797 USD|High: $5,542 USD|Avg: $2,905 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 4$1,797 USD
Retailer 5$1,971 USD
Retailer 6$2,374 USD
Retailer 11$2,436 USD
Retailer 8$2,651 USD
Retailer 10$2,651 USD
Retailer 7$2,753 USD
Retailer 3$3,006 USD
Retailer 9$3,059 USD
Retailer 12$3,154 USD
Retailer 2$3,296 USD
NZ Jewellers$5,542 USD

21 data points across 12 retailers

8 retailers$1,971 USD to $5,542 USD

B+
Cheapest Retailer
-
$1,971 USD
HK$15,400 HKD
B+
Retailer 2
-
$2,374 USD
View
B
Retailer 3
-
$2,651 USD
View
B
Retailer 4
-
$2,651 USD
View
B
Retailer 5
-
$2,753 USD
View
B
Retailer 6
-
$3,059 USD
View
B
Retailer 7
-
$3,296 USD
€3,139 EUR
View
Most Expensive
C
NZ Jewellers
594c4cb7-0275-4f64-a5a2-a01b1f384d73 · Nov 2
$5,542 USD
View
7 more retailers have this diamond
Prices start from $1,971 USDSave up to $3,571 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
$1,971 USD