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Marquise|Natural|GIA

0.70ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 6555348642

Certificate GIA 6555348642

Diamond specifications and retailer prices

From $1,540 AUD
$1,079 USD
As of October 31, 2026
Save $1,220 AUD (44%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,760 AUD at Helzberg Diamonds · As of November 3, 2026
View at Helzberg Diamonds

About this 0.7ct natural marquise diamond

This 0.7ct natural marquise sits in the half to three-quarter carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6555348642. Listed at 14 retailers as of October 31, 2026, with prices from $1,540 to $2,760, a $1,220 spread on the same certified stone. Helzberg Diamonds lists it at $2,760. 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

0.70
Carat
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle38.58°
Pavilion angle39.67°
OriginNatural
Grading LabGIA
CertificateGIA 6555348642
Dimensions9.37 × 4.43 × 2.80 mm
L/W Ratio2.12
Culet sizeNone
Top View
9.37 mm4.43 mm0.70 ctG / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6555348642
Side View
Table 57.0%Crown 38.58°Girdle: STK-VTKPavilion 39.67°Culet: NoneDepth 63.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $2,760 AUD|Low: $1,540 AUD|High: $2,932 AUD|Avg: $2,019 AUD|-5.9%
Helzberg Diamonds
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 3, 2026
Retailer 8$1,540 AUD
Retailer 12$1,556 AUD
Retailer 9$1,618 AUD
Retailer 10$1,665 AUD
Retailer 4$1,676 AUD
Retailer 2$1,738 AUD
Retailer 13$1,895 AUD
Retailer 7$1,932 AUD
Retailer 6$2,226 AUD
Retailer 3$2,248 AUD
Retailer 11$2,347 AUD
Retailer 5$2,508 AUD
Helzberg Diamonds$2,760 AUD

32 data points across 13 retailers

14 retailers$1,540 AUD to $2,760 AUD

A
Cheapest Retailer
-
$1,540 AUD
$1,079 USD
B+
Retailer 2
-
$1,556 AUD
SGD 1,474 SGD
View
B+
Retailer 3
-
$1,618 AUD
$1,134 USD
View
B+
Retailer 4
-
$1,665 AUD
$1,167 USD
View
B+
Retailer 5
-
$1,676 AUD
SGD 1,587 SGD
View
B+
Retailer 6
-
$1,738 AUD
£959 GBP
View
B+
Retailer 7
-
$1,895 AUD
$1,328 USD
View
B
Retailer 8
-
$1,932 AUD
$1,354 USD
View
B
Retailer 9
-
$2,226 AUD
€1,486 EUR
View
B
Retailer 10
-
$2,248 AUD
$1,575 USD
View
B
Retailer 11
-
$2,302 AUD
$1,613 USD
View
B
Retailer 12
-
$2,347 AUD
$1,645 USD
View
Retailer 13
-
$2,508 AUD
$1,757 USD
View
Price last confirmed 7 days ago
Most Expensive
B
Helzberg Diamonds
XZRMLLLJKOMKI · Nov 3
$2,760 AUD
$1,934 USD
View
13 more retailers have this diamond
Prices start from $1,540 AUDSave up to $1,220 AUD

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
0.70ct Marquise
$1,540 AUD