Round|Natural|GIA

1.02ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 7508121852

Shape and cutting style on the report: Round brilliant

Certificate GIA 7508121852

Diamond specifications and retailer prices

From $5,020 NZD
As of November 6, 2026
Save $7,561 NZD (60%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $12,582 NZD at Diamond Quarter · As of November 6, 2026
View at Diamond Quarter

About this 1.02ct natural round diamond

This 1.02ct 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 7508121852. Listed at 21 retailers as of November 6, 2026, with prices from $5,020 to $12,582, a $7,561 spread on the same certified stone. Diamond Quarter lists it at $12,582. 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

1.02
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 7508121852
Dimensions6.45 × 6.42 × 4.02 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
6.45 mm6.42 mm1.02 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7508121852
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.4%

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 6
Current: $6,985 NZD|Low: $5,020 NZD|High: $11,747 NZD|Avg: $7,107 NZD|-0.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 4$5,020 NZD
Retailer 11$5,101 NZD
Retailer 3$6,160 NZD
Retailer 10$6,177 NZD
Retailer 2$6,406 NZD
Retailer 6$6,436 NZD
Retailer 5$6,640 NZD
Retailer 1$6,985 NZD
Retailer 8$7,394 NZD
Retailer 7$8,471 NZD
Retailer 9$11,604 NZD

30 data points across 11 retailers

21 retailers$5,020 NZD to $12,582 NZD

A
Cheapest Retailer
-
$5,020 NZD
A
Retailer 2
-
$5,101 NZD
View
B+
Retailer 3
-
$6,160 NZD
View
B+
Retailer 4
-
$6,177 NZD
View
B+
Retailer 5
-
$6,406 NZD
View
Final sale: no returns
B+
Retailer 6
-
$6,436 NZD
View
Retailer 7
-
$6,478 NZD
View
Price last confirmed 110 days ago
B
Retailer 8
-
$6,638 NZD
View
B+
Retailer 9
-
$6,640 NZD
View
B+
Retailer 10
-
$6,940 NZD
View
B+
Retailer 11
-
$6,985 NZD
View
B+
Retailer 12
-
$7,203 NZD
View
B+
Retailer 13
-
$7,207 NZD
View
B+
Retailer 14
-
$7,394 NZD
View
Retailer 15
-
$7,434 NZD
View
Price last confirmed 30 days ago
B
Retailer 16
-
$8,008 NZD
View
B
Retailer 17
-
$8,471 NZD
View
B
Retailer 18
-
$8,965 NZD
View
B
Retailer 19
-
$11,604 NZD
View
B
Retailer 20
-
$12,092 NZD
View
Most Expensive
B
Diamond Quarter
1.02SI1G7552DEA5N · Nov 6
$12,582 NZD
£5,492 GBP
View
20 more retailers have this diamond
Prices start from $5,020 NZDSave up to $7,561 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
1.02ct Round
$5,020 NZD