CaratHunter
Plans
Round|Natural|GIA

1.23ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 6555589674

Certificate GIA 6555589674

Diamond specifications and retailer prices

From $8,944 NZD
As of November 4, 2026
Save $7,037 NZD (44%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $15,981 NZD at Wholesale Diamonds Direct · As of November 4, 2026
View at Wholesale Diamonds Direct

About this 1.23ct natural round diamond

This 1.23ct natural round sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6555589674. Listed at 13 retailers as of November 4, 2026, with prices from $8,944 to $15,981, a $7,037 spread on the same certified stone. Wholesale Diamonds Direct lists it at $15,981. 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
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6555589674
Dimensions6.82 × 6.86 × 4.28 mm
L/W Ratio1.01
Girdle conditionMedium
Key to symbols
Crystal, Twinning Wisp
Top View
6.82 mm6.86 mm1.23 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6555589674
Side View
Table 56.0%Crown 36.5°Girdle: MediumPavilion 40.6°Culet: NoneDepth 62.5%

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 4
Current: $13,811 NZD|Low: $8,944 NZD|High: $15,981 NZD|Avg: $11,365 NZD|+3.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Wholesale Diamonds Direct
November 5, 2026
Retailer 2$8,944 NZD
Retailer 12$9,579 NZD
Retailer 4$10,264 NZD
Retailer 6$10,681 NZD
Retailer 10$10,716 NZD
Retailer 8$10,855 NZD
Retailer 5$11,278 NZD
Retailer 3$11,438 NZD
Retailer 7$11,438 NZD
Retailer 11$11,597 NZD
Retailer 9$11,830 NZD
Retailer 1$13,811 NZD
Wholesale Diamonds Direct$15,981 NZD

43 data points across 13 retailers

13 retailers$8,944 NZD to $15,981 NZD

B+
Cheapest Retailer
-
$8,944 NZD
B+
Retailer 2
-
$9,579 NZD
View
B+
Retailer 3
-
$10,264 NZD
View
B+
Retailer 4
-
$10,681 NZD
View
B
Retailer 5
-
$10,716 NZD
View
B
Retailer 6
-
$10,855 NZD
View
B
Retailer 7
-
$11,278 NZD
View
B
Retailer 8
-
$11,438 NZD
View
B
Retailer 9
-
$11,438 NZD
View
B
Retailer 10
-
$11,597 NZD
View
B
Retailer 11
-
$11,830 NZD
View
B
Retailer 12
-
$13,811 NZD
View
Most Expensive
B
Wholesale Diamonds Direct
273575981 · Nov 4
$15,981 NZD
$8,984 USD
View
12 more retailers have this diamond
Prices start from $8,944 NZDSave up to $7,037 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.

B+
1.23ct Round
$8,944 NZD