CaratHunter
Plans
Round|Natural|GIA

1.20ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 5242053949

Certificate GIA 5242053949

Diamond specifications and retailer prices

From $2,622 NZD
SGD 1,997 SGD
As of October 31, 2026
Save $2,447 NZD (48%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $5,069 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5242053949. Listed at 9 retailers as of October 26, 2026, with prices from $2,622 to $5,069, a $2,447 spread on the same certified stone. Wholesale Diamonds Direct lists it at $5,069. 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
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5242053949
Dimensions6.74 × 4.23 × 4.23 mm
L/W Ratio1.59
Culet sizeNone
Top View
6.74 mm4.23 mm1.20 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5242053949
Side View
Table 58.0%Crown 36.5°Girdle: THN-STKPavilion 41°Culet: NoneDepth 62.7%

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: $3,660 NZD|Low: $2,280 NZD|High: $5,602 NZD|Avg: $3,750 NZD|+9.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Wholesale Diamonds Direct
October 31, 2026
Retailer 9$2,280 NZD
Retailer 6$2,622 NZD
Retailer 3$3,077 NZD
Retailer 4$3,114 NZD
Retailer 8$3,349 NZD
Retailer 1$3,660 NZD
Retailer 2$3,955 NZD
Retailer 7$4,006 NZD
Retailer 5$4,689 NZD
Wholesale Diamonds Direct$5,069 NZD

31 data points across 10 retailers

9 retailers$2,622 NZD to $5,069 NZD

A
Cheapest Retailer
-
$2,622 NZD
SGD 1,997 SGD
A
Retailer 2
-
$3,077 NZD
$1,734 USD
View
A
Retailer 3
-
$3,114 NZD
$1,755 USD
View
A
Retailer 4
-
$3,349 NZD
SGD 2,551 SGD
View
B+
Retailer 5
-
$3,660 NZD
$2,063 USD
View
B+
Retailer 6
-
$3,955 NZD
£1,755 GBP
View
B+
Retailer 7
-
$4,006 NZD
$2,258 USD
View
B+
Retailer 8
-
$4,689 NZD
$2,643 USD
View
Most Expensive
B
Wholesale Diamonds Direct
610677878 · Oct 26
$5,069 NZD
$2,857 USD
View
8 more retailers have this diamond
Prices start from $2,622 NZDSave up to $2,447 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
$2,622 NZD