CaratHunter
Plans
Round|Natural|GIA

1.20ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 1559756383

Certificate GIA 1559756383

Diamond specifications and retailer prices

From $4,195 NZD
SGD 3,190 SGD
As of October 31, 2026
Save $4,410 NZD (51%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $8,606 NZD at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

About this 1.2ct natural round diamond

This 1.2ct natural round sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1559756383. Listed at 12 retailers as of October 26, 2026, with prices from $4,195 to $8,606, a $4,410 spread on the same certified stone. Wholesale Diamonds Direct lists it at $8,606. 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

1.20
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1559756383
Dimensions6.71 × 4.25 × 4.25 mm
L/W Ratio1.58
Culet sizeNone
Top View
6.71 mm4.25 mm1.20 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1559756383
Side View
Table 55.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.0%

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: $5,582 NZD|Low: $4,195 NZD|High: $9,123 NZD|Avg: $6,398 NZD|-5.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Wholesale Diamonds Direct
November 2, 2026
Retailer 7$4,195 NZD
Retailer 6$5,074 NZD
Retailer 4$5,136 NZD
Retailer 1$5,582 NZD
Retailer 10$5,737 NZD
Retailer 8$5,794 NZD
Retailer 9$6,296 NZD
Retailer 3$6,345 NZD
Retailer 5$6,523 NZD
Retailer 2$8,033 NZD
Wholesale Diamonds Direct$8,606 NZD

43 data points across 11 retailers

12 retailers$4,195 NZD to $8,606 NZD

A
Cheapest Retailer
-
$4,195 NZD
SGD 3,190 SGD
A
Retailer 2
-
$5,074 NZD
$2,855 USD
View
A
Retailer 3
-
$5,136 NZD
$2,890 USD
View
A
Retailer 4
-
$5,582 NZD
£2,473 GBP
View
A
Retailer 5
-
$5,737 NZD
SGD 4,362 SGD
View
A
Retailer 6
-
$5,794 NZD
$3,260 USD
View
B+
Retailer 7
-
$6,296 NZD
$3,542 USD
View
B+
Retailer 8
-
$6,345 NZD
€3,400 EUR
View
B+
Retailer 9
-
$6,523 NZD
£2,890 GBP
View
B+
Retailer 10
-
$7,102 NZD
$3,996 USD
View
B+
Retailer 11
-
$8,033 NZD
$4,520 USD
View
Most Expensive
B+
Wholesale Diamonds Direct
262900585 · Oct 26
$8,606 NZD
$4,842 USD
View
11 more retailers have this diamond
Prices start from $4,195 NZDSave up to $4,410 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
1.20ct Round
$4,195 NZD