Marquise|Lab Grown|IGI

0.70ct I SI1 Marquise Lab Grown Diamond

ID • I/SI1 • IGI LG436047594

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG436047594

Diamond specifications and retailer prices

From $420 USD
As of November 2, 2026
Save $1,634 USD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,054 USD at MOH London · As of November 1, 2026
View at MOH London

About this 0.7ct lab-grown marquise diamond

This 0.7ct lab-grown marquise sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436047594 or 436047594. Listed at 11 retailers as of November 1, 2026, with prices from $420 to $2,054, a $1,634 spread on the same certified stone. MOH London lists it at $2,054. 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
I
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.6°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436047594
Dimensions8.99 × 4.62 × 2.76 mm
L/W Ratio1.95
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
8.99 mm4.62 mm0.70 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436047594
Side View
Table 62.5%Crown 34.6°Girdle: ThickPavilion 39.2°Culet: NoneDepth 59.7%

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: Nov 2
Current: $2,054 USD|Low: $420 USD|High: $2,245 USD|Avg: $980 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 1, 2026
Retailer 2$420 USD
Retailer 10$451 USD
Retailer 3$504 USD
Retailer 14$505 USD
Retailer 7$532 USD
Retailer 11$559 USD
Retailer 15$559 USD
Retailer 4$700 USD
Retailer 13$877 USD
Retailer 8$941 USD
Retailer 5$960 USD
Retailer 9$1,503 USD
Retailer 12$1,797 USD
MOH London$2,054 USD
Retailer 6$2,245 USD

24 data points across 15 retailers

11 retailers$420 USD to $2,054 USD

A
Cheapest Retailer
-
$420 USD
B+
Retailer 2
-
$451 USD
View
B+
Retailer 3
-
$504 USD
View
Final sale: no returns
B+
Retailer 4
-
$505 USD
View
B+
Retailer 5
-
$559 USD
View
Retailer 6
-
$559 USD
View
Price last confirmed 17 days ago
B
Retailer 7
-
$877 USD
View
Retailer 8
-
$941 USD
€896 EUR
View
Price last confirmed 8 days ago
B
Retailer 9
-
$1,503 USD
View
B
Retailer 10
-
$1,797 USD
View
Most Expensive
B
MOH London
LG436047594 · Nov 1
$2,054 USD
£1,617 GBP
View
10 more retailers have this diamond
Prices start from $420 USDSave up to $1,634 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
0.70ct Marquise
$420 USD