CaratHunter
Plans
Round|Natural|GIA

1.20ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 5241078555

Certificate GIA 5241078555

Diamond specifications and retailer prices

From $5,460 NZD
HK$24,000 HKD
As of November 1, 2026
Save $6,621 NZD (55%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $12,585 NZD at NZ Jewellers · As of October 17, 2026
View at NZ Jewellers

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 5241078555. Listed at 21 retailers as of November 1, 2026, with a 121% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle32.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 5241078555
Dimensions6.90 × 6.87 × 4.14 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Cavity, Needle
Top View
6.90 mm6.87 mm1.20 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5241078555
Side View
Table 60.0%Crown 32.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 60.2%

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 1
Current: $5,687 NZD|Low: $5,460 NZD|High: $12,227 NZD|Avg: $7,916 NZD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 11$5,460 NZD
Retailer 1$5,687 NZD
Retailer 13$6,325 NZD
Retailer 4$6,638 NZD
Retailer 2$6,667 NZD
Retailer 6$6,950 NZD
Retailer 3$7,223 NZD
Retailer 7$7,343 NZD
Retailer 5$7,745 NZD
Retailer 8$8,138 NZD
Retailer 10$8,879 NZD
Retailer 12$12,042 NZD
Retailer 9$12,080 NZD

26 data points across 13 retailers

21 retailers$5,460 NZD to $12,080 NZD

A
Cheapest Retailer
-
$5,460 NZD
HK$24,000 HKD
A
Retailer 2
-
$5,687 NZD
₹304,728 INR
View
B+
Retailer 3
-
$6,325 NZD
SGD 4,809 SGD
View
B+
Retailer 4
-
$6,466 NZD
$3,638 USD
View
B+
Retailer 5
-
$6,633 NZD
$3,732 USD
View
B+
Retailer 6
-
$6,638 NZD
$3,735 USD
View
B+
Retailer 7
-
$6,667 NZD
$3,751 USD
View
Final sale: no returns
Retailer 8
-
$6,875 NZD
SGD 5,227 SGD
View
Price last confirmed 12 days ago
B+
Retailer 9
-
$6,950 NZD
£3,079 GBP
View
Retailer 10
-
$7,223 NZD
$4,064 USD
View
Price last confirmed 13 days ago
Retailer 11
-
$7,223 NZD
$4,064 USD
View
Price last confirmed 21 days ago
Retailer 12
-
$7,223 NZD
$4,064 USD
View
Price last confirmed 18 days ago
B+
Retailer 13
-
$7,343 NZD
£3,253 GBP
View
B+
Retailer 14
-
$7,486 NZD
$4,212 USD
View
Retailer 15
-
$7,745 NZD
A$6,704 AUD
View
Price last confirmed 29 days ago
B+
Retailer 16
-
$8,138 NZD
€4,361 EUR
View
Retailer 17
-
$8,336 NZD
$4,690 USD
View
Price last confirmed 15 days ago
B+
Retailer 18
-
$8,879 NZD
ZAR 80,709 ZAR
View
Retailer 19
-
$12,042 NZD
£5,335 GBP
View
Price last confirmed 11 days ago
B
Retailer 20
-
$12,080 NZD
£5,352 GBP
View
Most Expensive
NZ Jewellers
8e1cc228-1a90-48dd-8d16-6e0c29b4df9c · Oct 17
$12,585 NZD
$7,081 USD
View
Price last confirmed 16 days ago
20 more retailers have this diamond
Prices start from $5,460 NZDSave up to $6,621 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
$5,460 NZD