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Oval|Natural|GIA

1.70ct K SI1 Oval Natural Diamond

EX • K/SI1 • GIA 7538644928

Certificate GIA 7538644928

Diamond specifications and retailer prices

From $5,267 USD
As of November 5, 2026
Save $6,009 USD (53%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $11,276 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.7ct natural oval diamond

This 1.7ct natural oval sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7538644928. Listed at 15 retailers as of November 5, 2026, with prices from $5,267 to $11,276, a $6,009 spread on the same certified stone. NZ Jewellers lists it at $11,276. 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
K
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7538644928
Dimensions9.62 × 6.87 × 3.92 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Knot, Needle
Top View
9.62 mm6.87 mm1.70 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7538644928
Side View
Table 63.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 57.0%

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 5
Current: $11,276 USD|Low: $5,327 USD|High: $11,276 USD|Avg: $7,244 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 3$5,327 USD
Retailer 8$5,690 USD
Retailer 7$6,108 USD
Retailer 10$6,108 USD
Retailer 4$6,403 USD
Retailer 9$6,441 USD
Retailer 2$6,938 USD
Retailer 11$7,048 USD
Retailer 5$8,226 USD
Retailer 6$9,906 USD
NZ Jewellers$11,276 USD

45 data points across 11 retailers

15 retailers$5,267 USD to $11,276 USD

B+
Cheapest Retailer
-
$5,267 USD
B+
Retailer 2
-
$5,327 USD
View
B+
Retailer 3
-
$5,397 USD
View
B+
Retailer 4
-
$5,685 USD
View
B+
Retailer 5
-
$5,690 USD
View
Retailer 6
-
$6,108 USD
View
Price last confirmed 8 days ago
B
Retailer 7
-
$6,108 USD
View
B
Retailer 8
-
$6,108 USD
View
B+
Retailer 9
-
$6,403 USD
View
B+
Retailer 10
-
$6,441 USD
View
B
Retailer 11
-
$6,938 USD
View
B
Retailer 12
-
$7,048 USD
View
B
Retailer 13
-
$8,226 USD
View
B
Retailer 14
-
$9,906 USD
View
Most Expensive
B
NZ Jewellers
fa1220ba-5911-4b21-8345-b46780fbcea1 · Nov 5
$11,276 USD
View
14 more retailers have this diamond
Prices start from $5,267 USDSave up to $6,009 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 Oval
$5,267 USD