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Princess|Natural|GIA

1.70ct K SI1 Princess Natural Diamond

EX • K/SI1 • GIA 6243057272

Certificate GIA 6243057272

Diamond specifications and retailer prices

From $3,450 USD
As of November 1, 2026
Save $2,966 USD (46%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $6,416 USD at MOH London · As of November 2, 2026
View at MOH London

About this 1.7ct natural princess diamond

This 1.7ct natural princess 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 6243057272. Listed at 5 retailers as of November 1, 2026, with prices from $3,450 to $6,416, a $2,966 spread on the same certified stone. MOH London lists it at $6,416. 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
Crown angle50.78°
OriginNatural
Grading LabGIA
CertificateGIA 6243057272
Dimensions6.39 × 6.38 × 4.63 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
6.39 mm6.38 mm1.70 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6243057272
Side View
Table 72.0%Crown 50.78°Girdle: Sli. Thick - ThickPavilionCulet: NoneDepth 72.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $6,416 USD|Low: $3,450 USD|High: $7,002 USD|Avg: $4,614 USD|-7.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 4$3,450 USD
Retailer 5$3,557 USD
Retailer 3$3,885 USD
Retailer 2$4,465 USD
MOH London$6,416 USD

44 data points across 5 retailers

5 retailers$3,450 USD to $6,416 USD

A
Cheapest Retailer
-
$3,450 USD
A
Retailer 2
-
$3,557 USD
View
B+
Retailer 3
-
$3,885 USD
View
B+
Retailer 4
-
$4,465 USD
View
Most Expensive
B
MOH London
66FCA541C · Nov 2
$6,416 USD
£5,052 GBP
View
4 more retailers have this diamond
Prices start from $3,450 USDSave up to $2,966 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 Princess
$3,450 USD