CaratHunter
Plans
Heart|Natural|GIA

1.64ct D SI2 Heart Natural Diamond

VG • D/SI2 • GIA 6515713856

Certificate GIA 6515713856

Diamond specifications and retailer prices

From $6,012 SGD
$4,703 USD
As of October 31, 2026
Save $5,723 SGD (49%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $13,304 SGD at NZ Jewellers · As of October 24, 2026
View at NZ Jewellers

About this 1.64ct natural heart diamond

This 1.64ct natural heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 6515713856. Listed at 14 retailers as of October 26, 2026, with a 95% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.64
Carat
D
Colour
SI2
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6515713856
Dimensions8.10 × 6.94 × 4.89 mm
L/W Ratio1.17
Top View
8.10 mm6.94 mm1.64 ctD / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6515713856
Side View
Table 61.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 60.4%

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 31
Current: $13,304 SGD|Low: $5,543 SGD|High: $13,304 SGD|Avg: $8,182 SGD
NZ Jewellers
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
October 27, 2026
Retailer 15$6,012 SGD
Retailer 3$6,102 SGD
Retailer 4$6,274 SGD
Retailer 16$6,652 SGD
Retailer 5$7,206 SGD
Retailer 12$7,206 SGD
Retailer 13$7,206 SGD
Retailer 10$7,591 SGD
Retailer 17$7,606 SGD
Retailer 7$8,118 SGD
Retailer 8$8,118 SGD
Retailer 6$8,386 SGD
Retailer 2$8,395 SGD
Retailer 11$8,645 SGD
Retailer 9$9,990 SGD
Retailer 14$11,735 SGD
NZ Jewellers$13,304 SGD

30 data points across 17 retailers

14 retailers$6,012 SGD to $11,735 SGD

A
Cheapest Retailer
-
$6,012 SGD
$4,703 USD
A
Retailer 2
-
$6,102 SGD
$4,773 USD
View
A
Retailer 3
-
$6,274 SGD
$4,908 USD
View
A
Retailer 4
-
$7,206 SGD
$5,637 USD
View
Retailer 5
-
$7,206 SGD
$5,637 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
$7,591 SGD
£4,676 GBP
View
B+
Retailer 7
-
$7,606 SGD
$5,950 USD
View
B+
Retailer 8
-
$8,118 SGD
$6,350 USD
View
B+
Retailer 9
-
$8,118 SGD
$6,350 USD
View
B+
Retailer 10
-
$8,386 SGD
$6,560 USD
View
B+
Retailer 11
-
$8,395 SGD
$6,567 USD
View
B+
Retailer 12
-
$8,645 SGD
€6,440 EUR
View
B+
Retailer 13
-
$11,735 SGD
£7,228 GBP
View
Most Expensive
NZ Jewellers
51753480-c4a3-4b05-8d7d-e40f78589f03 · Oct 24
$13,304 SGD
$10,407 USD
View
Price last confirmed 8 days ago
13 more retailers have this diamond
Prices start from $6,012 SGDSave up to $5,723 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
1.64ct Heart
$6,012 SGD