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Round|Natural|GIA

1.30ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 2566500090

Certificate GIA 2566500090

Diamond specifications and retailer prices

From $6,835 NZD
As of November 5, 2026
Save $7,337 NZD (52%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $14,172 NZD at MOH London · As of November 2, 2026
View at MOH London

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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2566500090. Listed at 14 retailers as of November 2, 2026, with prices from $6,835 to $14,172, a $7,337 spread on the same certified stone. MOH London lists it at $14,172. 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
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2566500090
Dimensions6.90 × 6.94 × 4.33 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
6.90 mm6.94 mm1.30 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566500090
Side View
Table 57.0%Crown 36°Girdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 62.7%

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 5
Current: $14,172 NZD|Low: $6,835 NZD|High: $14,247 NZD|Avg: $9,125 NZD|-0.5%
MOH London
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 6, 2026
Retailer 9$6,835 NZD
Retailer 4$7,111 NZD
Retailer 8$7,611 NZD
Retailer 7$8,195 NZD
Retailer 12$8,780 NZD
Retailer 3$9,056 NZD
Retailer 13$9,056 NZD
Retailer 5$9,362 NZD
Retailer 6$9,411 NZD
Retailer 2$9,660 NZD
Retailer 11$9,822 NZD
Retailer 10$10,243 NZD
MOH London$14,172 NZD

8 data points across 13 retailers

14 retailers$6,835 NZD to $14,172 NZD

A
Cheapest Retailer
-
$6,835 NZD
A
Retailer 2
-
$7,111 NZD
View
A
Retailer 3
-
$7,356 NZD
View
A
Retailer 4
-
$7,611 NZD
View
B+
Retailer 5
-
$8,195 NZD
View
B+
Retailer 6
-
$8,780 NZD
View
B+
Retailer 7
-
$8,839 NZD
View
B+
Retailer 8
-
$9,056 NZD
View
B+
Retailer 9
-
$9,056 NZD
View
B+
Retailer 10
-
$9,362 NZD
View
B+
Retailer 11
-
$9,411 NZD
View
B+
Retailer 12
-
$9,660 NZD
View
B
Retailer 13
-
$10,243 NZD
View
Most Expensive
B
MOH London
4F069E727 · Nov 2
$14,172 NZD
£6,186 GBP
View
13 more retailers have this diamond
Prices start from $6,835 NZDSave up to $7,337 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
1.30ct Round
$6,835 NZD