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Heart|Natural|GIA

1.23ct K VVS1 Heart Natural Diamond

EX • K/VVS1 • GIA 6545597330

Certificate GIA 6545597330

Diamond specifications and retailer prices

From $5,094 NZD
As of November 6, 2026
Save $3,941 NZD (44%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $9,036 NZD at MOH London · As of November 4, 2026
View at MOH London

About this 1.23ct natural heart diamond

This 1.23ct natural heart sits in the classic one-carat band, graded K colour (faint-tinted) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6545597330. Listed at 4 retailers as of November 4, 2026, with prices from $5,094 to $9,036, a $3,941 spread on the same certified stone. MOH London lists it at $9,036. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
K
Colour
VVS1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.86°
OriginNatural
Grading LabGIA
CertificateGIA 6545597330
Dimensions6.50 × 7.48 × 4.34 mm
L/W Ratio1.15
Top View
6.50 mm7.48 mm1.23 ctK / VVS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6545597330
Side View
Table 59.0%Crown 35.86°Girdle: STK-THKPavilionCulet: NoneDepth 58.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $9,036 NZD|Low: $5,094 NZD|High: $9,714 NZD|Avg: $6,294 NZD|-4.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 4$5,094 NZD
Retailer 6$5,204 NZD
Retailer 2$5,735 NZD
Retailer 3$5,823 NZD
Retailer 5$6,061 NZD
MOH London$9,036 NZD

41 data points across 6 retailers

4 retailers$5,094 NZD to $9,036 NZD

B+
Cheapest Retailer
-
$5,094 NZD
B+
Retailer 2
-
$5,735 NZD
View
B+
Retailer 3
-
$5,823 NZD
View
Most Expensive
B
MOH London
6326A4E5B · Nov 4
$9,036 NZD
£3,944 GBP
View
3 more retailers have this diamond
Prices start from $5,094 NZDSave up to $3,941 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 Heart
$5,094 NZD