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Heart|Natural|GIA

0.75ct D SI1 Heart Natural Diamond

EX • D/SI1 • GIA 6275564036

Certificate GIA 6275564036

Diamond specifications and retailer prices

From $1,228 AUD
As of November 6, 2026
Save $1,677 AUD (58%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,906 AUD at MOH London · As of November 2, 2026
View at MOH London

About this 0.75ct natural heart diamond

This 0.75ct natural heart sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6275564036. Listed at 17 retailers as of November 2, 2026, with prices from $1,228 to $2,906, a $1,677 spread on the same certified stone. MOH London lists it at $2,906. 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

0.75
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6275564036
Dimensions5.40 × 6.37 × 3.66 mm
L/W Ratio1.18
Top View
5.40 mm6.37 mm0.75 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6275564036
Side View
Table 59.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 57.5%

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 6
Current: $2,906 AUD|Low: $1,228 AUD|High: $3,100 AUD|Avg: $1,863 AUD|-5.1%
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
Retailer 17
Retailer 18
November 6, 2026
Retailer 18$1,228 AUD
Retailer 16$1,307 AUD
Retailer 13$1,378 AUD
Retailer 15$1,407 AUD
Retailer 17$1,407 AUD
Retailer 9$1,438 AUD
Retailer 14$1,499 AUD
Retailer 3$1,627 AUD
Retailer 6$1,746 AUD
Retailer 7$1,746 AUD
Retailer 2$1,790 AUD
Retailer 8$1,805 AUD
Retailer 12$1,936 AUD
Retailer 10$2,186 AUD
Retailer 5$2,247 AUD
Retailer 11$2,368 AUD
Retailer 4$2,575 AUD
MOH London$2,906 AUD

43 data points across 18 retailers

17 retailers$1,228 AUD to $2,906 AUD

A
Cheapest Retailer
-
$1,228 AUD
A
Retailer 2
-
$1,378 AUD
View
A
Retailer 3
-
$1,407 AUD
View
A
Retailer 4
-
$1,407 AUD
View
Retailer 5
-
$1,438 AUD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$1,499 AUD
View
A
Retailer 7
-
$1,627 AUD
View
A
Retailer 8
-
$1,746 AUD
View
A
Retailer 9
-
$1,746 AUD
View
B+
Retailer 10
-
$1,790 AUD
View
B+
Retailer 11
-
$1,805 AUD
View
B+
Retailer 12
-
$1,936 AUD
View
Retailer 13
-
$2,186 AUD
View
Price last confirmed 32 days ago
B+
Retailer 14
-
$2,247 AUD
View
B+
Retailer 15
-
$2,368 AUD
View
B+
Retailer 16
-
$2,575 AUD
View
Most Expensive
B
MOH London
A40623F26 · Nov 2
$2,906 AUD
£1,572 GBP
View
16 more retailers have this diamond
Prices start from $1,228 AUDSave up to $1,677 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
0.75ct Heart
$1,228 AUD