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Marquise|Natural|GIA

1.30ct G SI2 Marquise Natural Diamond

EX • G/SI2

Diamond specifications and retailer prices

From $9,629 NZD
As of November 6, 2026
Save $3,368 NZD (26%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $12,997 NZD at The Diamond Guys · As of November 6, 2026
View at The Diamond Guys

About this 1.3ct natural marquise diamond

This 1.3ct natural marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 4 retailers as of November 6, 2026, with prices from $9,629 to $12,997, a $3,368 spread on the same certified stone. The Diamond Guys lists it at $12,997. 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
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishGood
SymmetryGood
FluorescenceFaint
OriginNatural
Grading LabGIA
Dimensions10.24 × 5.64 × 3.60 mm
L/W Ratio1.82
Top View
10.24 mm5.64 mm1.30 ctG / SI2
OriginNatural
CutExcellent
PolishGood
SymmetryGood
FluorescenceFaint
CertificateGIA
Side View
Table 57.0%CrownGirdle: ThickPavilionCulet: NoneDepth 63.7%

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 6
Current: $12,925 NZD|Low: $9,629 NZD|High: $13,502 NZD|Avg: $11,918 NZD|+1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
The Diamond Guys
September 30, 2026
Retailer 2$9,629 NZD
Retailer 5$11,004 NZD
Retailer 6$11,698 NZD
Retailer 4$11,702 NZD
Retailer 1$12,925 NZD
The Diamond Guys$12,997 NZD
Retailer 3$13,502 NZD

7 data points across 7 retailers

4 retailers$9,629 NZD to $12,997 NZD

B+
Cheapest Retailer
-
$9,629 NZD
B+
Retailer 2
-
$11,004 NZD
View
B
Retailer 3
-
$11,698 NZD
View
Most Expensive
B
The Diamond Guys
1973034247 · Nov 6
$12,997 NZD
$7,205 USD
View
3 more retailers have this diamond
Prices start from $9,629 NZDSave up to $3,368 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 Marquise
$9,629 NZD