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Round|Natural|GIA

1.23ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 7541629448

Certificate GIA 7541629448

Diamond specifications and retailer prices

From $3,298 AUD
HK$18,100 HKD
As of October 31, 2026
Save $4,015 AUD (55%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $7,313 AUD at MOH London · As of October 29, 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 October 29, 2026, with prices from $3,298 to $7,313, a $4,015 spread on the same certified stone. MOH London lists it at $7,313. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $7,313 AUD|Low: $3,262 AUD|High: $8,056 AUD|Avg: $4,600 AUD|-9.2%
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
October 31, 2026
Retailer 2$3,298 AUD
Retailer 10$3,522 AUD
Retailer 4$3,528 AUD
Retailer 5$3,592 AUD
Retailer 12$3,637 AUD
Retailer 6$3,650 AUD
Retailer 7$3,941 AUD
Retailer 15$4,083 AUD
Retailer 3$4,299 AUD
Retailer 16$4,299 AUD
Retailer 13$4,442 AUD
Retailer 11$4,517 AUD
Retailer 9$4,791 AUD
Retailer 14$5,158 AUD
Retailer 8$5,161 AUD
MOH London$7,313 AUD

29 data points across 16 retailers

16 retailers$3,298 AUD to $7,313 AUD

A
Cheapest Retailer
-
$3,298 AUD
HK$18,100 HKD
A
Retailer 2
-
$3,522 AUD
$2,474 USD
View
A
Retailer 3
-
$3,528 AUD
$2,478 USD
View
A
Retailer 4
-
$3,592 AUD
$2,523 USD
View
A
Retailer 5
-
$3,637 AUD
$2,555 USD
View
Final sale: no returns
A
Retailer 6
-
$3,650 AUD
View
A
Retailer 7
-
$3,941 AUD
$2,768 USD
View
A
Retailer 8
-
$4,083 AUD
$2,868 USD
View
A
Retailer 9
-
$4,299 AUD
$3,020 USD
View
A
Retailer 10
-
$4,299 AUD
$3,020 USD
View
A
Retailer 11
-
$4,442 AUD
$3,120 USD
View
A
Retailer 12
-
$4,517 AUD
£2,498 GBP
View
A
Retailer 13
-
$4,791 AUD
€3,205 EUR
View
A
Retailer 14
-
$5,158 AUD
$3,623 USD
View
Retailer 15
-
$5,161 AUD
$3,625 USD
View
Price last confirmed 8 days ago
Most Expensive
B+
MOH London
86167BD04 · Oct 29
$7,313 AUD
£4,045 GBP
View
15 more retailers have this diamond
Prices start from $3,298 AUDSave up to $4,015 AUD

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
$3,298 AUD