Marquise|Natural|GIA

1.30ct G SI2 Marquise Natural Diamond

EX • G/SI2

Diamond specifications and retailer prices

From $5,338 USD
As of November 6, 2026
Save $1,867 USD (26%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $7,205 USD 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 $5,338 to $7,205, a $1,867 spread on the same certified stone. The Diamond Guys lists it at $7,205. 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
Color
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
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Price History

Last verified: Nov 6
Current: $7,165 USD|Low: $5,338 USD|High: $7,485 USD|Avg: $6,607 USD|+1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
The Diamond Guys
September 30, 2026
Retailer 2$5,338 USD
Retailer 5$6,100 USD
Retailer 6$6,485 USD
Retailer 4$6,487 USD
Retailer 1$7,165 USD
The Diamond Guys$7,205 USD
Retailer 3$7,485 USD

7 data points across 7 retailers

4 retailers$5,338 USD to $7,205 USD

B+
Cheapest Retailer
-
$5,338 USD
B+
Retailer 2
-
$6,100 USD
View
B
Retailer 3
-
$6,485 USD
View
Most Expensive
B
The Diamond Guys
1973034247 · Nov 6
$7,205 USD
View
3 more retailers have this diamond
Prices start from $5,338 USDSave up to $1,867 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 Marquise
$5,338 USD