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1.70ct I I1 Round Natural Diamond

EX • I/I1 • IGI 457087702

Shape and cutting style on the report: Round brilliant

Certificate IGI 457087702

Diamond specifications and retailer prices

From $4,032 SGD
$3,154 USD
As of November 1, 2026
Save $4,619 SGD (53%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $8,651 SGD at NZ Jewellers · As of October 30, 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 I colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by IGI 457087702. Listed at 8 retailers as of October 30, 2026, with prices from $4,032 to $8,651, a $4,619 spread on the same certified stone. NZ Jewellers lists it at $8,651. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
I
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.2°
OriginNatural
Grading LabIGI
CertificateIGI 457087702
Dimensions7.61 × 7.65 × 4.69 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
7.61 mm7.65 mm1.70 ctI / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 457087702
Side View
Table 61.0%Crown 35°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.5%

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: Nov 1
Current: $8,651 SGD|Low: $2,906 SGD|High: $8,678 SGD|Avg: $4,543 SGD|+8.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 9$2,941 SGD
Retailer 3$4,032 SGD
Retailer 4$4,499 SGD
Retailer 6$4,542 SGD
Retailer 5$4,555 SGD
Retailer 8$4,671 SGD
Retailer 7$5,190 SGD
Retailer 2$5,650 SGD
NZ Jewellers$8,651 SGD

40 data points across 9 retailers

8 retailers$4,032 SGD to $8,651 SGD

B+
Cheapest Retailer
-
$4,032 SGD
$3,154 USD
B+
Retailer 2
-
$4,499 SGD
$3,519 USD
View
B+
Retailer 3
-
$4,542 SGD
$3,553 USD
View
B+
Retailer 4
-
$4,555 SGD
$3,563 USD
View
B+
Retailer 5
-
$4,671 SGD
$3,654 USD
View
B+
Retailer 6
-
$5,190 SGD
$4,060 USD
View
B+
Retailer 7
-
$5,650 SGD
€4,209 EUR
View
Most Expensive
B
NZ Jewellers
9c7ce137-fd30-4470-8cea-9432465dd86b · Oct 30
$8,651 SGD
$6,767 USD
View
7 more retailers have this diamond
Prices start from $4,032 SGDSave up to $4,619 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 Round
$4,032 SGD