CaratHunter
Plans
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 $488 USD
€465 EUR
As of October 29, 2026
Save $690 USD (59%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,179 USD at MOH London · As of October 29, 2026
View at MOH London

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 7 retailers as of October 29, 2026, with prices from $488 to $1,179, a $690 spread on the same certified stone. MOH London lists it at $1,179. 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
Color
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,179 USD|Low: $466 USD|High: $1,185 USD|Avg: $686 USD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 3$488 USD
Retailer 7$495 USD
Retailer 2$548 USD
Retailer 4$590 USD
Retailer 6$627 USD
Retailer 5$992 USD
MOH London$1,179 USD

41 data points across 7 retailers

7 retailers$488 USD to $1,179 USD

A
Cheapest Retailer
-
$488 USD
€465 EUR
B+
Retailer 2
-
$495 USD
View
A
Retailer 3
-
$548 USD
£432 GBP
View
A
Retailer 4
-
$590 USD
View
A
Retailer 5
-
$627 USD
View
B+
Retailer 6
-
$992 USD
View
Most Expensive
B
MOH London
LG707556634 · Oct 29
$1,179 USD
£928 GBP
View
6 more retailers have this diamond
Prices start from $488 USDSave up to $690 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.

A
1.70ct Marquise
$488 USD