Round|Natural|GIA

1.30ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 6561200253

Certificate GIA 6561200253

Diamond specifications and retailer prices

From $6,610 USD
As of November 3, 2026
Save $5,340 USD (45%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $11,950 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6561200253. Listed at 8 retailers as of November 2, 2026, with prices from $6,610 to $11,950, a $5,340 spread on the same certified stone. NZ Jewellers lists it at $11,950. 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
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6561200253
Dimensions6.92 × 6.95 × 4.35 mm
L/W Ratio1.00
Girdle conditionSlightly Thick
Key to symbols
Crystal, Feather, Needle
Top View
6.92 mm6.95 mm1.30 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6561200253
Side View
Table 57.0%Crown 36°GirdlePavilion 40.6°CuletDepth 62.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: $11,950 USD|Low: $6,610 USD|High: $11,950 USD|Avg: $8,492 USD|+1.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 5$6,610 USD
Retailer 3$6,874 USD
Retailer 6$6,934 USD
Retailer 7$7,145 USD
Retailer 2$8,080 USD
Retailer 4$10,525 USD
NZ Jewellers$11,950 USD

38 data points across 7 retailers

8 retailers$6,610 USD to $11,950 USD

B+
Cheapest Retailer
-
$6,610 USD
B+
Retailer 2
-
$6,874 USD
View
Retailer 3
-
$6,934 USD
View
Price last confirmed 15 days ago
B+
Retailer 4
-
$7,145 USD
View
Retailer 5
-
$7,255 USD
View
Price last confirmed 38 days ago
B
Retailer 6
-
$8,080 USD
View
B
Retailer 7
-
$10,525 USD
View
Most Expensive
B
NZ Jewellers
ca1d5a6a-a6d1-480a-aa41-73c0b850f3c5 · Nov 2
$11,950 USD
View
7 more retailers have this diamond
Prices start from $6,610 USDSave up to $5,340 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.

B+
1.30ct Round
$6,610 USD