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Radiant|Natural|GIA

1.70ct I SI1 Radiant Natural Diamond

ID • I/SI1 • GIA 7538281786

Certificate GIA 7538281786

Diamond specifications and retailer prices

From $5,695 USD
As of November 6, 2026
Save $6,240 USD (52%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $11,935 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.7ct natural radiant diamond

This 1.7ct natural radiant sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7538281786. Listed at 18 retailers as of November 5, 2026, with prices from $5,695 to $11,935, a $6,240 spread on the same certified stone. NZ Jewellers lists it at $11,935. 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
I
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7538281786
Dimensions7.76 × 5.96 × 4.15 mm
L/W Ratio1.30
Girdle conditionPolished
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
7.76 mm5.96 mm1.70 ctI / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7538281786
Side View
Table 70.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 69.6%

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: Nov 6
Current: $11,935 USD|Low: $5,695 USD|High: $12,048 USD|Avg: $7,317 USD|-0.9%
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
November 7, 2026
Retailer 8$5,695 USD
Retailer 5$5,968 USD
Retailer 6$6,024 USD
Retailer 2$6,170 USD
Retailer 16$6,220 USD
Retailer 4$6,366 USD
Retailer 14$6,465 USD
Retailer 15$6,465 USD
Retailer 10$6,734 USD
Retailer 9$6,776 USD
Retailer 7$6,991 USD
Retailer 3$7,460 USD
Retailer 11$7,753 USD
Retailer 12$8,707 USD
Retailer 13$10,485 USD
NZ Jewellers$11,935 USD

28 data points across 16 retailers

18 retailers$5,695 USD to $11,935 USD

A
Cheapest Retailer
-
$5,695 USD
A
Retailer 2
-
$5,968 USD
View
Final sale: no returns
Retailer 3
-
$6,024 USD
View
Price last confirmed 9 days ago
A
Retailer 4
-
$6,170 USD
View
A
Retailer 5
-
$6,220 USD
View
B+
Retailer 6
-
$6,366 USD
View
B+
Retailer 7
-
$6,465 USD
View
B+
Retailer 8
-
$6,465 USD
View
B+
Retailer 9
-
$6,734 USD
View
B+
Retailer 10
-
$6,776 USD
View
Retailer 11
-
$6,991 USD
View
Price last confirmed 16 days ago
B+
Retailer 12
-
$7,330 USD
View
B+
Retailer 13
-
$7,460 USD
View
B+
Retailer 14
-
$7,753 USD
View
Retailer 15
-
$7,939 USD
View
Price last confirmed 15 days ago
B+
Retailer 16
-
$8,707 USD
View
B
Retailer 17
-
$10,485 USD
View
Most Expensive
B
NZ Jewellers
563d825d-6565-4a33-aed0-1c3b04c00733 · Nov 5
$11,935 USD
View
17 more retailers have this diamond
Prices start from $5,695 USDSave up to $6,240 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.

A
1.70ct Radiant
$5,695 USD