CaratHunter
Plans
Marquise|Natural|GIA

0.70ct H SI1 Marquise Natural Diamond

EX • H/SI1 • GIA 5566753388

Certificate GIA 5566753388

Diamond specifications and retailer prices

From $1,875 AUD
As of November 4, 2026
Save $1,486 AUD (44%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,361 AUD at Helzberg Diamonds · As of November 6, 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 H 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 5566753388. Listed at 13 retailers as of November 4, 2026, with prices from $1,875 to $3,361, a $1,486 spread on the same certified stone. Helzberg Diamonds lists it at $3,361. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.79°
Pavilion angle40.23°
OriginNatural
Grading LabGIA
CertificateGIA 5566753388
Dimensions8.99 × 4.49 × 2.88 mm
L/W Ratio2.00
Culet sizeNone
Top View
8.99 mm4.49 mm0.70 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5566753388
Side View
Table 59.0%Crown 39.79°Girdle: STK-VTKPavilion 40.23°Culet: NoneDepth 64.2%

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 4
Current: $3,361 AUD|Low: $1,875 AUD|High: $3,361 AUD|Avg: $2,339 AUD
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 6, 2026
Retailer 9$1,875 AUD
Retailer 12$1,907 AUD
Retailer 13$1,921 AUD
Retailer 3$1,979 AUD
Retailer 5$2,040 AUD
Retailer 7$2,075 AUD
Retailer 10$2,285 AUD
Retailer 2$2,352 AUD
Retailer 4$2,610 AUD
Retailer 6$2,685 AUD
Retailer 11$2,858 AUD
Retailer 8$3,023 AUD
Helzberg Diamonds$3,361 AUD

9 data points across 13 retailers

13 retailers$1,875 AUD to $3,361 AUD

B+
Cheapest Retailer
-
$1,875 AUD
B+
Retailer 2
-
$1,907 AUD
View
B+
Retailer 3
-
$1,921 AUD
View
B
Retailer 4
-
$1,979 AUD
View
B
Retailer 5
-
$2,040 AUD
View
B+
Retailer 6
-
$2,075 AUD
View
B
Retailer 7
-
$2,285 AUD
View
B
Retailer 8
-
$2,352 AUD
View
B
Retailer 9
-
$2,610 AUD
View
B
Retailer 10
-
$2,685 AUD
View
B
Retailer 11
-
$2,858 AUD
View
B
Retailer 12
-
$3,023 AUD
View
Most Expensive
B
Helzberg Diamonds
XZRLLMMNLJJOO · Nov 6
$3,361 AUD
$2,309 USD
View
12 more retailers have this diamond
Prices start from $1,875 AUDSave up to $1,486 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.

B+
0.70ct Marquise
$1,875 AUD