Round|Natural|GIA

1.30ct D I1 Round Natural Diamond

EX • D/I1 • GIA 1505572182

Certificate GIA 1505572182

Diamond specifications and retailer prices

From $3,599 USD
As of October 31, 2026
Save $4,573 USD (56%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $8,172 USD at NZ Jewellers · As of October 30, 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 D colour (colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 1505572182. Listed at 11 retailers as of October 30, 2026, with prices from $3,599 to $8,172, a $4,573 spread on the same certified stone. NZ Jewellers lists it at $8,172. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
D
Color
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1505572182
Dimensions6.96 × 6.99 × 4.34 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Cert comments
Additional twinning wisps, pinpoints and surface graining are not shown.
Key to symbols
Twinning Wisp, Crystal, Feather, Needle
Top View
6.96 mm6.99 mm1.30 ctD / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1505572182
Side View
Table 56.0%Crown 36.5°Girdle: THN-STKPavilion 40.6°Culet: NoneDepth 62.2%

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: Oct 31
Current: $8,172 USD|Low: $3,549 USD|High: $8,172 USD|Avg: $5,136 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 8$3,599 USD
Retailer 3$3,625 USD
Retailer 6$4,249 USD
Retailer 4$4,780 USD
Retailer 7$4,780 USD
Retailer 5$4,940 USD
Retailer 2$5,309 USD
Retailer 9$5,582 USD
Retailer 10$6,864 USD
NZ Jewellers$8,172 USD

28 data points across 10 retailers

11 retailers$3,599 USD to $8,172 USD

A
Cheapest Retailer
-
$3,599 USD
A
Retailer 2
-
$3,625 USD
View
Retailer 3
-
$4,249 USD
View
Price last confirmed 33 days ago
B+
Retailer 4
-
$4,249 USD
View
B+
Retailer 5
-
$4,780 USD
View
B+
Retailer 6
-
$4,780 USD
View
Retailer 7
-
$4,903 USD
View
Price last confirmed 34 days ago
B+
Retailer 8
-
$4,940 USD
View
B
Retailer 9
-
$5,309 USD
€5,056 EUR
View
Retailer 10
-
$8,172 USD
View
Price last confirmed 34 days ago
Most Expensive
B
NZ Jewellers
cf1825f7-7725-4c34-a8f4-bfbb65532bc9 · Oct 30
$8,172 USD
View
10 more retailers have this diamond
Prices start from $3,599 USDSave up to $4,573 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
$3,599 USD