CaratHunter
Plans
Heart|Natural|GIA

1.51ct F SI1 Heart Natural Diamond

ID • F/SI1 • GIA 2235669195

Certificate GIA 2235669195

Diamond specifications and retailer prices

From $6,038 SGD
£3,718 GBP
As of November 2, 2026
Save $4,757 SGD (44%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $10,795 SGD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two carat band, graded F 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 2235669195. Listed at 8 retailers as of October 30, 2026, with prices from $6,038 to $10,795, a $4,757 spread on the same certified stone. NZ Jewellers lists it at $10,795. 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

1.51
Carat
F
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.37°
Pavilion angle40.08°
OriginNatural
Grading LabGIA
CertificateGIA 2235669195
Dimensions7.04 × 7.83 × 4.69 mm
L/W Ratio1.11
Top View
7.04 mm7.83 mm1.51 ctF / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2235669195
Side View
Table 61.0%Crown 38.37°Girdle: Thick to Very ThickPavilion 40.08°Culet: NoneDepth 59.9%

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 2
Current: $10,795 SGD|Low: $5,902 SGD|High: $10,942 SGD|Avg: $7,326 SGD|-1.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 11$5,902 SGD
Retailer 2$6,038 SGD
Retailer 9$6,068 SGD
Retailer 6$6,455 SGD
Retailer 7$6,455 SGD
Retailer 8$6,506 SGD
Retailer 10$6,617 SGD
Retailer 12$7,127 SGD
Retailer 4$7,143 SGD
Retailer 3$7,290 SGD
Retailer 5$10,280 SGD
NZ Jewellers$10,795 SGD

34 data points across 12 retailers

8 retailers$6,038 SGD to $10,795 SGD

A
Cheapest Retailer
-
$6,038 SGD
£3,718 GBP
A
Retailer 2
-
$6,068 SGD
$4,745 USD
View
A
Retailer 3
-
$6,455 SGD
$5,047 USD
View
A
Retailer 4
-
$6,455 SGD
$5,047 USD
View
Retailer 5
-
$6,506 SGD
A$7,827 AUD
View
Price last confirmed 24 days ago
B+
Retailer 6
-
$6,617 SGD
$5,174 USD
View
B
Retailer 7
-
$10,280 SGD
£6,329 GBP
View
Most Expensive
B
NZ Jewellers
acbcf805-635b-40e7-9d17-ba5213ca6575 · Oct 30
$10,795 SGD
$8,441 USD
View
7 more retailers have this diamond
Prices start from $6,038 SGDSave up to $4,757 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
1.51ct Heart
$6,038 SGD