CaratHunter
Plans
Heart|Natural|GIA

1.70ct D SI2 Heart Natural Diamond

ID • D/SI2 • GIA 48

Certificate GIA 48

Diamond specifications and retailer prices

From $10,483 SGD
$8,200 USD
As of October 31, 2026
Save $2,763 SGD (21%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $13,246 SGD at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 1.7ct natural heart diamond

This 1.7ct natural heart sits in the one-and-a-half to two 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. Listed at 3 retailers as of October 31, 2026, with prices from $10,483 to $13,246, a $2,763 spread on the same certified stone. Blue Nile lists it at $13,246. 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

1.70
Carat
D
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 48
Dimensions7.39 × 8.15 × 4.72 mm
L/W Ratio1.10
Top View
7.39 mm8.15 mm1.70 ctD / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 48
Side View
Table 58.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 57.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $13,246 SGD|Low: $10,483 SGD|High: $13,246 SGD|Avg: $11,442 SGD
Blue Nile
Retailer 2
Retailer 3
September 26, 2026
Retailer 2$10,483 SGD
Retailer 3$11,500 SGD
Blue Nile$13,246 SGD

2 data points across 3 retailers

3 retailers$10,483 SGD to $13,246 SGD

B+
Cheapest Retailer
-
$10,483 SGD
$8,200 USD
B+
Retailer 2
-
$11,500 SGD
$8,995 USD
View
Most Expensive
B
Blue Nile
27176014 · Oct 31
$13,246 SGD
$10,361 USD
View
2 more retailers have this diamond
Prices start from $10,483 SGDSave up to $2,763 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.

B+
1.70ct Heart
$10,483 SGD