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Marquise|Lab Grown|IGI

1.70ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG707556634

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG707556634

Diamond specifications and retailer prices

From $697 AUD
€465 EUR
As of October 29, 2026
Save $994 AUD (59%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,691 AUD at Rare Carat · As of November 1, 2026
View at Rare Carat

About this 1.7ct lab-grown marquise diamond

This 1.7ct lab-grown marquise sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG707556634 or 707556634. Listed at 8 retailers as of October 29, 2026, with prices from $697 to $1,691, a $994 spread on the same certified stone. Rare Carat lists it at $1,691. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG707556634
Dimensions12.06 × 6.25 × 3.88 mm
L/W Ratio1.93
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.06 mm6.25 mm1.70 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG707556634
Side View
Table 61.0%Crown 35.4°Girdle: MED-THKPavilion 40.6°Culet: NoneDepth 62.1%

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 29
Current: $789 AUD|Low: $665 AUD|High: $1,691 AUD|Avg: $982 AUD|+5.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 3, 2026
Retailer 3$697 AUD
Retailer 7$706 AUD
Retailer 1$789 AUD
Retailer 4$842 AUD
Retailer 6$895 AUD
Retailer 5$1,416 AUD
Retailer 2$1,673 AUD

43 data points across 7 retailers

8 retailers$697 AUD to $1,691 AUD

A
Cheapest Retailer
-
$697 AUD
€465 EUR
B+
Retailer 2
-
$706 AUD
$495 USD
View
A
Retailer 3
-
$789 AUD
£435 GBP
View
A
Retailer 4
-
$842 AUD
$590 USD
View
A
Retailer 5
-
$895 AUD
$627 USD
View
B+
Retailer 6
-
$1,416 AUD
$992 USD
View
B
Retailer 7
-
$1,673 AUD
£923 GBP
View
Most Expensive
B
Rare Carat
MDP-825_l_707556634 · Nov 1
$1,691 AUD
$1,185 USD
View
7 more retailers have this diamond
Prices start from $697 AUDSave up to $994 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
1.70ct Marquise
$697 AUD