Marquise|Natural|GIA

0.70ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 6555348642

Certificate GIA 6555348642

Diamond specifications and retailer prices

From $1,918 NZD
$1,079 USD
As of October 31, 2026
Save $1,519 NZD (44%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,437 NZD at Helzberg Diamonds · As of November 1, 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 $1,918 to $3,437, a $1,519 spread on the same certified stone. Helzberg Diamonds lists it at $3,437. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $3,437 NZD|Low: $1,918 NZD|High: $3,652 NZD|Avg: $2,515 NZD|-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$1,918 NZD
Retailer 12$1,939 NZD
Retailer 9$2,015 NZD
Retailer 10$2,074 NZD
Retailer 4$2,087 NZD
Retailer 2$2,164 NZD
Retailer 13$2,360 NZD
Retailer 7$2,406 NZD
Retailer 6$2,773 NZD
Retailer 3$2,800 NZD
Retailer 11$2,924 NZD
Retailer 5$3,123 NZD
Helzberg Diamonds$3,437 NZD

32 data points across 13 retailers

14 retailers$1,918 NZD to $3,437 NZD

A
Cheapest Retailer
-
$1,918 NZD
$1,079 USD
B+
Retailer 2
-
$1,939 NZD
SGD 1,474 SGD
View
B+
Retailer 3
-
$2,015 NZD
$1,134 USD
View
B+
Retailer 4
-
$2,074 NZD
$1,167 USD
View
B+
Retailer 5
-
$2,087 NZD
SGD 1,587 SGD
View
B+
Retailer 6
-
$2,164 NZD
£959 GBP
View
B+
Retailer 7
-
$2,360 NZD
$1,328 USD
View
B
Retailer 8
-
$2,406 NZD
$1,354 USD
View
B
Retailer 9
-
$2,773 NZD
€1,486 EUR
View
B
Retailer 10
-
$2,800 NZD
$1,575 USD
View
B
Retailer 11
-
$2,867 NZD
$1,613 USD
View
B
Retailer 12
-
$2,924 NZD
$1,645 USD
View
Retailer 13
-
$3,123 NZD
$1,757 USD
View
Price last confirmed 7 days ago
Most Expensive
B
Helzberg Diamonds
XZRMLLLJKOMKI · Nov 1
$3,437 NZD
$1,934 USD
View
13 more retailers have this diamond
Prices start from $1,918 NZDSave up to $1,519 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
0.70ct Marquise
$1,918 NZD