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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 $8,747 SGD
₹651,414 INR
As of November 2, 2026
Save $7,428 SGD (46%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $16,175 SGD 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 $8,747 to $16,175, a $7,428 spread on the same certified stone. MOH London lists it at $16,175. 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
Colour
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: $16,175 SGD|Low: $8,747 SGD|High: $16,175 SGD|Avg: $11,489 SGD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 2$8,747 SGD
Retailer 6$9,244 SGD
Retailer 5$9,858 SGD
Retailer 4$10,691 SGD
Retailer 3$11,924 SGD
MOH London$16,175 SGD

22 data points across 6 retailers

6 retailers$8,747 SGD to $16,175 SGD

A
Cheapest Retailer
-
$8,747 SGD
₹651,414 INR
B+
Retailer 2
-
$9,244 SGD
$7,228 USD
View
Final sale: no returns
B+
Retailer 3
-
$9,858 SGD
$7,708 USD
View
B+
Retailer 4
-
$10,691 SGD
£6,583 GBP
View
B+
Retailer 5
-
$11,924 SGD
€8,880 EUR
View
Most Expensive
B
MOH London
397A09867 · Oct 29
$16,175 SGD
£9,959 GBP
View
5 more retailers have this diamond
Prices start from $8,747 SGDSave up to $7,428 SGD

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
$8,747 SGD