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Round|Natural|GIA

1.70ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 2556520738

Certificate GIA 2556520738

Diamond specifications and retailer prices

From $7,275 SGD
$5,691 USD
As of October 30, 2026
Save $6,648 SGD (48%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $16,058 SGD at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 1.7ct natural round diamond

This 1.7ct natural round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2556520738. Listed at 18 retailers as of October 26, 2026, with a 91% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle32.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2556520738
Dimensions7.71 × 7.75 × 4.69 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Feather, Pinpoint, Natural
Top View
7.71 mm7.75 mm1.70 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 2556520738
Side View
Table 60.0%Crown 32.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 60.7%

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: $7,552 SGD|Low: $6,328 SGD|High: $13,923 SGD|Avg: $9,377 SGD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 12$7,275 SGD
Retailer 5$7,459 SGD
Retailer 1$7,552 SGD
Retailer 2$8,028 SGD
Retailer 10$8,028 SGD
Retailer 4$8,834 SGD
Retailer 6$8,857 SGD
Retailer 11$8,861 SGD
Retailer 7$8,991 SGD
Retailer 8$10,301 SGD
Retailer 9$13,451 SGD
Retailer 3$13,923 SGD

38 data points across 12 retailers

18 retailers$7,275 SGD to $13,923 SGD

A
Cheapest Retailer
-
$7,275 SGD
$5,691 USD
A
Retailer 2
-
$7,373 SGD
$5,767 USD
View
A
Retailer 3
-
$7,459 SGD
$5,834 USD
View
A
Retailer 4
-
$7,552 SGD
$5,907 USD
View
A
Retailer 5
-
$7,586 SGD
$5,934 USD
View
B+
Retailer 6
-
$7,870 SGD
A$9,471 AUD
View
B+
Retailer 7
-
$8,028 SGD
$6,280 USD
View
Final sale: no returns
Retailer 8
-
$8,698 SGD
$6,804 USD
View
Price last confirmed 30 days ago
Retailer 9
-
$8,831 SGD
$6,908 USD
View
Price last confirmed 32 days ago
Retailer 10
-
$8,834 SGD
$6,910 USD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
$8,857 SGD
$6,928 USD
View
B+
Retailer 12
-
$8,861 SGD
$6,931 USD
View
B+
Retailer 13
-
$8,991 SGD
£5,538 GBP
View
Retailer 14
-
$10,037 SGD
$7,851 USD
View
Price last confirmed 31 days ago
B
Retailer 15
-
$10,301 SGD
€7,674 EUR
View
B
Retailer 16
-
$13,451 SGD
£8,285 GBP
View
B
Retailer 17
-
$13,923 SGD
$10,891 USD
View
Most Expensive
NZ Jewellers
0e9bb4a0-df40-447b-bf38-7b3545a180d1 · Sep 28
$16,058 SGD
$12,561 USD
View
Price last confirmed 33 days ago
17 more retailers have this diamond
Prices start from $7,275 SGDSave up to $6,648 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
1.70ct Round
$7,275 SGD