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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 $599 AUD
$420 USD
As of October 31, 2026
Save $2,331 AUD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,930 AUD 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 October 31, 2026, with prices from $599 to $2,930, a $2,331 spread on the same certified stone. MOH London lists it at $2,930. 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
Colour
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: Oct 31
Current: $2,930 AUD|Low: $599 AUD|High: $3,204 AUD|Avg: $1,399 AUD
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$599 AUD
Retailer 10$644 AUD
Retailer 3$719 AUD
Retailer 14$721 AUD
Retailer 7$759 AUD
Retailer 11$798 AUD
Retailer 15$798 AUD
Retailer 4$999 AUD
Retailer 13$1,251 AUD
Retailer 8$1,342 AUD
Retailer 5$1,370 AUD
Retailer 9$2,145 AUD
Retailer 12$2,564 AUD
MOH London$2,930 AUD
Retailer 6$3,204 AUD

24 data points across 15 retailers

11 retailers$599 AUD to $2,930 AUD

A
Cheapest Retailer
-
$599 AUD
$420 USD
B+
Retailer 2
-
$644 AUD
$451 USD
View
B+
Retailer 3
-
$719 AUD
$504 USD
View
Final sale: no returns
B+
Retailer 4
-
$721 AUD
$505 USD
View
B+
Retailer 5
-
$798 AUD
$559 USD
View
Retailer 6
-
$798 AUD
$559 USD
View
Price last confirmed 17 days ago
B
Retailer 7
-
$1,251 AUD
$877 USD
View
Retailer 8
-
$1,342 AUD
€896 EUR
View
Price last confirmed 8 days ago
B
Retailer 9
-
$2,145 AUD
$1,503 USD
View
B
Retailer 10
-
$2,564 AUD
$1,797 USD
View
Most Expensive
B
MOH London
LG436047594 · Nov 1
$2,930 AUD
£1,617 GBP
View
10 more retailers have this diamond
Prices start from $599 AUDSave up to $2,331 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
0.70ct Marquise
$599 AUD