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Round|Natural|GIA

1.30ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 6565142220

Certificate GIA 6565142220

Diamond specifications and retailer prices

From $2,570 USD
As of November 4, 2026
Save $3,265 USD (56%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $5,835 USD at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.3ct natural round diamond

This 1.3ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6565142220. Listed at 18 retailers as of November 2, 2026, with prices from $2,570 to $5,835, a $3,265 spread on the same certified stone. NZ Jewellers lists it at $5,835. 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

1.30
Carat
I
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceStrong
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6565142220
Dimensions6.95 × 6.90 × 4.38 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Cloud, Indented Natural
Top View
6.95 mm6.90 mm1.30 ctI / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6565142220
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.3%

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 4
Current: $5,835 USD|Low: $2,570 USD|High: $5,835 USD|Avg: $3,511 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 5, 2026
Retailer 16$2,570 USD
Retailer 8$2,639 USD
Retailer 15$2,659 USD
Retailer 7$3,034 USD
Retailer 13$3,034 USD
Retailer 6$3,100 USD
Retailer 10$3,171 USD
Retailer 12$3,258 USD
Retailer 5$3,296 USD
Retailer 14$3,296 USD
Retailer 9$3,444 USD
Retailer 2$3,660 USD
Retailer 4$3,884 USD
Retailer 3$3,933 USD
Retailer 11$5,600 USD
NZ Jewellers$5,835 USD

36 data points across 16 retailers

18 retailers$2,570 USD to $5,835 USD

A
Cheapest Retailer
-
$2,570 USD
A
Retailer 2
-
$2,639 USD
View
A
Retailer 3
-
$2,659 USD
View
Final sale: no returns
A
Retailer 4
-
$2,800 USD
View
A
Retailer 5
-
$3,034 USD
View
Retailer 6
-
$3,034 USD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$3,100 USD
View
A
Retailer 8
-
$3,171 USD
View
Retailer 9
-
$3,258 USD
View
Price last confirmed 19 days ago
A
Retailer 10
-
$3,296 USD
View
A
Retailer 11
-
$3,296 USD
View
A
Retailer 12
-
$3,444 USD
View
B+
Retailer 13
-
$3,496 USD
View
B+
Retailer 14
-
$3,501 USD
View
B+
Retailer 15
-
$3,660 USD
View
B+
Retailer 16
-
$3,933 USD
View
B
Retailer 17
-
$5,600 USD
View
Most Expensive
B
NZ Jewellers
5466e838-73e8-4ff3-86d4-dbf94caca483 · Nov 2
$5,835 USD
View
17 more retailers have this diamond
Prices start from $2,570 USDSave up to $3,265 USD

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
1.30ct Round
$2,570 USD