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Round|Natural|GIA

1.66ct J IF Round Natural Diamond

EX • J/IF • GIA 1563513807

Certificate GIA 1563513807

Diamond specifications and retailer prices

From $6,840 USD
₹651,414 INR
As of November 2, 2026
Save $5,808 USD (46%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $12,648 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.66ct natural round diamond

This 1.66ct natural round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 1563513807. Listed at 6 retailers as of October 29, 2026, with prices from $6,840 to $12,648, a $5,808 spread on the same certified stone. MOH London lists it at $12,648. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.66
Carat
J
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1563513807
Dimensions7.45 × 7.52 × 4.70 mm
L/W Ratio1.01
Top View
7.45 mm7.52 mm1.66 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1563513807
Side View
Table 58.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.8%

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 2
Current: $12,648 USD|Low: $6,840 USD|High: $12,648 USD|Avg: $8,984 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 2$6,840 USD
Retailer 6$7,228 USD
Retailer 5$7,708 USD
Retailer 4$8,360 USD
Retailer 3$9,324 USD
MOH London$12,648 USD

22 data points across 6 retailers

6 retailers$6,840 USD to $12,648 USD

A
Cheapest Retailer
-
$6,840 USD
₹651,414 INR
B+
Retailer 2
-
$7,228 USD
View
Final sale: no returns
B+
Retailer 3
-
$7,708 USD
View
B+
Retailer 4
-
$8,360 USD
£6,583 GBP
View
B+
Retailer 5
-
$9,324 USD
€8,880 EUR
View
Most Expensive
B
MOH London
397A09867 · Oct 29
$12,648 USD
£9,959 GBP
View
5 more retailers have this diamond
Prices start from $6,840 USDSave up to $5,808 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
1.66ct Round
$6,840 USD