CaratHunter
Plans
Round|Natural|GIA

0.66ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 7561043179

Certificate GIA 7561043179

Diamond specifications and retailer prices

From $1,015 NZD
SGD 772 SGD
As of October 31, 2026
Save $888 NZD (47%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,903 NZD at Frank Darling · As of November 2, 2026
View at Frank Darling

About this 0.66ct natural round diamond

This 0.66ct natural round sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7561043179. Listed at 10 retailers as of October 31, 2026, with prices from $1,015 to $1,903, a $888 spread on the same certified stone. Frank Darling lists it at $1,903. 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

0.66
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 7561043179
Dimensions5.58 × 5.59 × 3.49 mm
L/W Ratio1.00
Culet sizeNone
Top View
5.58 mm5.59 mm0.66 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7561043179
Side View
Table 57.0%Crown 34°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 62.6%

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: Oct 31
Current: $1,903 NZD|Low: $738 NZD|High: $1,948 NZD|Avg: $1,426 NZD|-2.3%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 3, 2026
Retailer 3$738 NZD
Retailer 5$1,015 NZD
Retailer 11$1,152 NZD
Retailer 4$1,173 NZD
Retailer 10$1,374 NZD
Retailer 8$1,499 NZD
Retailer 6$1,591 NZD
Retailer 2$1,609 NZD
Retailer 9$1,612 NZD
Retailer 7$1,732 NZD
Frank Darling$1,903 NZD

32 data points across 11 retailers

10 retailers$1,015 NZD to $1,903 NZD

A
Cheapest Retailer
-
$1,015 NZD
SGD 772 SGD
A
Retailer 2
-
$1,152 NZD
SGD 876 SGD
View
A
Retailer 3
-
$1,173 NZD
$660 USD
View
A
Retailer 4
-
$1,374 NZD
$773 USD
View
A
Retailer 5
-
$1,499 NZD
$843 USD
View
B+
Retailer 6
-
$1,591 NZD
£705 GBP
View
B+
Retailer 7
-
$1,609 NZD
€862 EUR
View
B+
Retailer 8
-
$1,612 NZD
$907 USD
View
Retailer 9
-
$1,732 NZD
$974 USD
View
Price last confirmed 7 days ago
Most Expensive
B+
Frank Darling
2678782HK · Nov 2
$1,903 NZD
$1,071 USD
View
9 more retailers have this diamond
Prices start from $1,015 NZDSave up to $888 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.

A
0.66ct Round
$1,015 NZD