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Heart|Natural|GIA

0.90ct D SI2 Heart Natural Diamond

ID • D/SI2 • GIA 5546738774

Certificate GIA 5546738774

Diamond specifications and retailer prices

From $1,584 AUD
$1,113 USD
As of October 30, 2026
Save $3,418 AUD (68%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $5,002 AUD at Moon Ocean · As of November 1, 2026
View at Moon Ocean

About this 0.9ct natural heart diamond

This 0.9ct natural heart sits in the just-under-one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5546738774. Listed at 16 retailers as of October 30, 2026, with prices from $1,584 to $5,002, a $3,418 spread on the same certified stone. Moon Ocean lists it at $5,002. 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

0.90
Carat
D
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5546738774
Dimensions5.85 × 6.45 × 3.98 mm
L/W Ratio1.10
Top View
5.85 mm6.45 mm0.90 ctD / SI2
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5546738774
Side View
Table 55.0%CrownGirdle: STK-ETKPavilionCulet: NoneDepth 61.7%

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: Oct 30
Current: $5,002 AUD|Low: $1,334 AUD|High: $5,031 AUD|Avg: $2,412 AUD|+1.2%
Moon Ocean
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 1, 2026
Retailer 4$1,584 AUD
Retailer 5$1,594 AUD
Retailer 17$1,602 AUD
Retailer 6$1,637 AUD
Retailer 11$1,751 AUD
Retailer 13$1,751 AUD
Retailer 12$1,818 AUD
Retailer 18$1,966 AUD
Retailer 16$2,020 AUD
Retailer 8$2,093 AUD
Retailer 9$2,093 AUD
Retailer 7$2,164 AUD
Retailer 3$2,308 AUD
Retailer 2$2,697 AUD
Retailer 10$2,979 AUD
Retailer 14$3,560 AUD
Retailer 15$4,715 AUD
Moon Ocean$5,002 AUD

34 data points across 18 retailers

16 retailers$1,584 AUD to $5,002 AUD

A
Cheapest Retailer
-
$1,584 AUD
$1,113 USD
A
Retailer 2
-
$1,594 AUD
$1,120 USD
View
A
Retailer 3
-
$1,602 AUD
$1,125 USD
View
Final sale: no returns
A
Retailer 4
-
$1,637 AUD
$1,150 USD
View
A
Retailer 5
-
$1,751 AUD
$1,230 USD
View
A
Retailer 6
-
$1,818 AUD
$1,277 USD
View
A
Retailer 7
-
$1,966 AUD
$1,381 USD
View
A
Retailer 8
-
$2,020 AUD
$1,419 USD
View
B+
Retailer 9
-
$2,093 AUD
$1,470 USD
View
B+
Retailer 10
-
$2,093 AUD
$1,470 USD
View
B+
Retailer 11
-
$2,164 AUD
$1,520 USD
View
Retailer 12
-
$2,308 AUD
£1,277 GBP
View
Price last confirmed 35 days ago
B+
Retailer 13
-
$2,697 AUD
€1,804 EUR
View
B
Retailer 14
-
$3,560 AUD
£1,969 GBP
View
B
Retailer 15
-
$4,715 AUD
$3,312 USD
View
Most Expensive
B
Moon Ocean
NVN-41297A449-774 · Nov 1
$5,002 AUD
£2,767 GBP
View
15 more retailers have this diamond
Prices start from $1,584 AUDSave up to $3,418 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
0.90ct Heart
$1,584 AUD