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Round|Natural|GIA

1.66ct L IF Round Natural Diamond

EX • L/IF • GIA 3

Certificate GIA 3

Diamond specifications and retailer prices

From $13,069 NZD
As of November 6, 2026
Save $3,370 NZD (20%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $16,439 NZD at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 1.66ct natural round diamond

This 1.66ct natural round sits in the one-and-a-half to two carat band, graded L colour (faint-tinted) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA. Listed at 3 retailers as of November 5, 2026, with prices from $13,069 to $16,439, a $3,370 spread on the same certified stone. Blue Nile lists it at $16,439. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.66
Carat
L
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 3
Dimensions7.63 × 7.67 × 4.67 mm
L/W Ratio1.01
Top View
7.63 mm7.67 mm1.66 ctL / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 3
Side View
Table 56.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 61.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $16,439 NZD|Low: $13,069 NZD|High: $16,439 NZD|Avg: $14,191 NZD
Blue Nile
Retailer 2
Retailer 3
September 26, 2026
Retailer 2$13,069 NZD
Retailer 3$14,188 NZD
Blue Nile$16,439 NZD

2 data points across 3 retailers

3 retailers$13,069 NZD to $16,439 NZD

B
Cheapest Retailer
-
$13,069 NZD
B
Retailer 2
-
$14,188 NZD
View
Most Expensive
B
Blue Nile
11112580 · Nov 5
$16,439 NZD
$9,113 USD
View
2 more retailers have this diamond
Prices start from $13,069 NZDSave up to $3,370 NZD

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
1.66ct Round
$13,069 NZD