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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 $3,154 USD
As of November 1, 2026
Save $3,613 USD (53%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $6,767 USD 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 $3,154 to $6,767, a $3,613 spread on the same certified stone. NZ Jewellers lists it at $6,767. 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
Color
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: $6,767 USD|Low: $2,273 USD|High: $6,788 USD|Avg: $3,553 USD|+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$2,300 USD
Retailer 3$3,154 USD
Retailer 4$3,519 USD
Retailer 6$3,553 USD
Retailer 5$3,563 USD
Retailer 8$3,654 USD
Retailer 7$4,060 USD
Retailer 2$4,419 USD
NZ Jewellers$6,767 USD

40 data points across 9 retailers

8 retailers$3,154 USD to $6,767 USD

B+
Cheapest Retailer
-
$3,154 USD
B+
Retailer 2
-
$3,519 USD
View
B+
Retailer 3
-
$3,553 USD
View
B+
Retailer 4
-
$3,563 USD
View
B+
Retailer 5
-
$3,654 USD
View
B+
Retailer 6
-
$4,060 USD
View
B+
Retailer 7
-
$4,419 USD
€4,209 EUR
View
Most Expensive
B
NZ Jewellers
9c7ce137-fd30-4470-8cea-9432465dd86b · Oct 30
$6,767 USD
View
7 more retailers have this diamond
Prices start from $3,154 USDSave up to $3,613 USD

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
$3,154 USD