CaratHunter
Plans
Heart|Natural|GIA

0.90ct H SI2 Heart Natural Diamond

ID • H/SI2 • GIA 5553589758

Certificate GIA 5553589758

Diamond specifications and retailer prices

From $1,331 SGD
$1,041 USD
As of October 28, 2026
Save $2,899 SGD (69%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,230 SGD at Moon Ocean · As of October 29, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5553589758. Listed at 15 retailers as of October 28, 2026, with prices from $1,331 to $4,230, a $2,899 spread on the same certified stone. Moon Ocean lists it at $4,230. 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
H
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5553589758
Dimensions6.62 × 5.77 × 3.89 mm
L/W Ratio1.15
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal
Top View
6.62 mm5.77 mm0.90 ctH / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5553589758
Side View
Table 60.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 58.8%

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 28
Current: $4,230 SGD|Low: $1,113 SGD|High: $4,230 SGD|Avg: $2,013 SGD|+0.3%
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
October 29, 2026
Retailer 6$1,331 SGD
Retailer 7$1,336 SGD
Retailer 4$1,346 SGD
Retailer 9$1,368 SGD
Retailer 2$1,473 SGD
Retailer 12$1,473 SGD
Retailer 11$1,529 SGD
Retailer 13$1,657 SGD
Retailer 8$1,682 SGD
Retailer 16$1,764 SGD
Retailer 17$1,764 SGD
Retailer 18$1,828 SGD
Retailer 3$1,991 SGD
Retailer 10$2,166 SGD
Retailer 15$2,267 SGD
Retailer 14$2,992 SGD
Retailer 5$3,926 SGD
Moon Ocean$4,230 SGD

30 data points across 18 retailers

15 retailers$1,331 SGD to $4,230 SGD

A
Cheapest Retailer
-
$1,331 SGD
$1,041 USD
Retailer 2
-
$1,336 SGD
$1,045 USD
View
Price last confirmed 12 days ago
A
Retailer 3
-
$1,368 SGD
$1,070 USD
View
A
Retailer 4
-
$1,473 SGD
$1,152 USD
View
A
Retailer 5
-
$1,529 SGD
$1,196 USD
View
B+
Retailer 6
-
$1,657 SGD
$1,296 USD
View
Retailer 7
-
$1,682 SGD
$1,316 USD
View
Price last confirmed 12 days ago
B+
Retailer 8
-
$1,764 SGD
$1,380 USD
View
B+
Retailer 9
-
$1,764 SGD
$1,380 USD
View
B+
Retailer 10
-
$1,828 SGD
$1,430 USD
View
Retailer 11
-
$1,991 SGD
£1,227 GBP
View
Price last confirmed 12 days ago
B+
Retailer 12
-
$2,267 SGD
€1,689 EUR
View
B
Retailer 13
-
$2,992 SGD
£1,843 GBP
View
Retailer 14
-
$3,926 SGD
$3,071 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Moon Ocean
NVN-99C44B920-758 · Oct 29
$4,230 SGD
£2,605 GBP
View
14 more retailers have this diamond
Prices start from $1,331 SGDSave up to $2,899 SGD

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
$1,331 SGD