Round|Natural|GIA

1.23ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 7541629448

Certificate GIA 7541629448

Diamond specifications and retailer prices

From $4,120 NZD
As of November 4, 2026
Save $4,944 NZD (55%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $9,064 NZD 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7541629448. Listed at 16 retailers as of November 4, 2026, with prices from $4,120 to $9,064, a $4,944 spread on the same certified stone. MOH London lists it at $9,064. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.23
Carat
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 7541629448
Dimensions6.78 × 6.81 × 4.25 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
6.78 mm6.81 mm1.23 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 7541629448
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.5%

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 4
Current: $9,064 NZD|Low: $4,075 NZD|High: $9,898 NZD|Avg: $5,657 NZD|-8.4%
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
Retailer 14
Retailer 15
Retailer 16
November 6, 2026
Retailer 5$4,120 NZD
Retailer 4$4,308 NZD
Retailer 6$4,488 NZD
Retailer 16$4,510 NZD
Retailer 11$4,646 NZD
Retailer 12$4,659 NZD
Retailer 7$4,924 NZD
Retailer 15$5,218 NZD
Retailer 3$5,497 NZD
Retailer 13$5,497 NZD
Retailer 2$5,675 NZD
Retailer 9$5,680 NZD
Retailer 10$6,086 NZD
Retailer 8$6,449 NZD
Retailer 14$6,589 NZD
MOH London$9,064 NZD

31 data points across 16 retailers

16 retailers$4,120 NZD to $9,064 NZD

A
Cheapest Retailer
-
$4,120 NZD
A
Retailer 2
-
$4,308 NZD
View
A
Retailer 3
-
$4,488 NZD
View
A
Retailer 4
-
$4,510 NZD
View
A
Retailer 5
-
$4,646 NZD
View
Final sale: no returns
A
Retailer 6
-
$4,659 NZD
View
Retailer 7
-
$4,924 NZD
View
Price last confirmed 8 days ago
A
Retailer 8
-
$5,218 NZD
View
A
Retailer 9
-
$5,497 NZD
View
A
Retailer 10
-
$5,497 NZD
View
A
Retailer 11
-
$5,675 NZD
View
A
Retailer 12
-
$5,680 NZD
View
A
Retailer 13
-
$6,086 NZD
View
Retailer 14
-
$6,449 NZD
View
Price last confirmed 14 days ago
A
Retailer 15
-
$6,589 NZD
View
Most Expensive
B+
MOH London
86167BD04 · Nov 4
$9,064 NZD
£4,012 GBP
View
15 more retailers have this diamond
Prices start from $4,120 NZDSave up to $4,944 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.

A
1.23ct Round
$4,120 NZD