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Cushion|Natural|GIA

1.30ct F SI1 Cushion Natural Diamond

EX • F/SI1 • GIA 6555373299

Certificate GIA 6555373299

Diamond specifications and retailer prices

From $7,688 NZD
As of November 7, 2026
Save $6,757 NZD (47%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $15,750 NZD at MOH London · As of October 26, 2026
View at MOH London

About this 1.3ct natural cushion diamond

This 1.3ct natural cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6555373299. Listed at 27 retailers as of November 6, 2026, with a 88% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6555373299
Dimensions7.39 × 5.62 × 3.88 mm
L/W Ratio1.31
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Indented Natural, Needle, Natural
Top View
7.39 mm5.62 mm1.30 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6555373299
Side View
Table 66.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 69.0%

Caratlytics Score

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

Price History

Last verified: Nov 7
Current: $15,750 NZD|Low: $6,164 NZD|High: $15,920 NZD|Avg: $9,579 NZD|-1.1%
MOH London
Retailer 2
Retailer 3
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Retailer 11
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Retailer 24
Retailer 25
Retailer 26
Retailer 27
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Retailer 29
Retailer 30
November 7, 2026
Retailer 23$6,164 NZD
Retailer 20$6,225 NZD
Retailer 22$7,511 NZD
Retailer 19$7,688 NZD
Retailer 12$7,802 NZD
Retailer 15$7,919 NZD
Retailer 3$7,928 NZD
Retailer 16$8,329 NZD
Retailer 11$8,424 NZD
Retailer 17$8,866 NZD
Retailer 29$8,947 NZD
Retailer 4$8,980 NZD
Retailer 6$9,397 NZD
Retailer 8$9,416 NZD
Retailer 25$9,566 NZD
Retailer 13$9,644 NZD
Retailer 14$9,956 NZD
Retailer 5$10,030 NZD
Retailer 7$10,030 NZD
Retailer 30$10,354 NZD
Retailer 9$10,441 NZD
Retailer 26$10,441 NZD
Retailer 24$10,506 NZD
Retailer 18$10,899 NZD
Retailer 27$11,114 NZD
Retailer 28$12,025 NZD
Retailer 2$12,225 NZD
Retailer 21$13,012 NZD
Retailer 10$14,446 NZD
MOH London$15,750 NZD

17 data points across 30 retailers

27 retailers$7,688 NZD to $14,446 NZD

Retailer 1
-
$6,164 NZD
Price last confirmed 57 days ago
B+
Retailer 2
-
$7,688 NZD
View
Retailer 3
-
$7,802 NZD
View
Price last confirmed 12 days ago
Retailer 4
-
$7,919 NZD
View
Price last confirmed 12 days ago
Retailer 5
-
$7,928 NZD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
$8,329 NZD
View
B
Retailer 7
-
$8,424 NZD
View
Retailer 8
-
$8,866 NZD
View
Price last confirmed 13 days ago
Retailer 9
-
$8,947 NZD
View
Price last confirmed 13 days ago
B+
Retailer 10
-
$8,980 NZD
View
B
Retailer 11
-
$9,397 NZD
View
Retailer 12
-
$9,416 NZD
View
B+
Retailer 13
-
$9,566 NZD
View
B+
Retailer 14
-
$9,644 NZD
View
Retailer 15
-
$9,956 NZD
View
Price last confirmed 29 days ago
B
Retailer 16
-
$10,030 NZD
View
B
Retailer 17
-
$10,030 NZD
View
B
Retailer 18
-
$10,354 NZD
View
B
Retailer 19
-
$10,441 NZD
View
B
Retailer 20
-
$10,441 NZD
View
Retailer 21
-
$10,506 NZD
View
Retailer 22
-
$10,899 NZD
View
Price last confirmed 24 days ago
B
Retailer 23
-
$11,114 NZD
View
Retailer 24
-
$12,025 NZD
View
Price last confirmed 11 days ago
Retailer 25
-
$12,225 NZD
View
B
Retailer 26
-
$14,446 NZD
View
Most Expensive
MOH London
94BD62CEC · Oct 26
$15,750 NZD
£6,875 GBP
View
Price last confirmed 11 days ago
26 more retailers have this diamond
Prices start from $7,688 NZDSave up to $6,757 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.

B+
1.30ct Cushion
$7,688 NZD