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Marquise|Lab Grown|IGI

0.71ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • IGI LG640488814

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG640488814

Diamond specifications and retailer prices

From $162 USD
As of November 5, 2026
Save $1,235 USD (88%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,397 USD at MOH London · As of November 5, 2026
View at MOH London

About this 0.71ct lab-grown marquise diamond

This 0.71ct lab-grown marquise sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG640488814 or 640488814. Listed at 8 retailers as of November 5, 2026, with prices from $162 to $1,397, a $1,235 spread on the same certified stone. MOH London lists it at $1,397. 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

0.71
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG640488814
Dimensions8.84 × 4.65 × 2.98 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.84 mm4.65 mm0.71 ctE / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG640488814
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 40°Culet: NoneDepth 64.1%

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: Nov 5
Current: $1,397 USD|Low: $162 USD|High: $1,397 USD|Avg: $474 USD
MOH London
Retailer 2
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Retailer 18
November 6, 2026
Retailer 14$162 USD
Retailer 12$228 USD
Retailer 4$254 USD
Retailer 5$256 USD
Retailer 6$266 USD
Retailer 2$281 USD
Retailer 17$291 USD
Retailer 16$312 USD
Retailer 3$329 USD
Retailer 11$365 USD
Retailer 10$420 USD
Retailer 8$600 USD
Retailer 9$600 USD
Retailer 13$608 USD
Retailer 15$613 USD
Retailer 7$630 USD
Retailer 18$738 USD
MOH London$1,397 USD

2 data points across 18 retailers

8 retailers$162 USD to $1,397 USD

A
Cheapest Retailer
-
$162 USD
A
Retailer 2
-
$228 USD
View
B+
Retailer 3
-
$281 USD
View
B+
Retailer 4
-
$312 USD
View
B+
Retailer 5
-
$365 USD
View
B
Retailer 6
-
$608 USD
View
B
Retailer 7
-
$613 USD
View
Most Expensive
B
MOH London
LG640488814 · Nov 5
$1,397 USD
£1,100 GBP
View
7 more retailers have this diamond
Prices start from $162 USDSave up to $1,235 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
0.71ct Marquise
$162 USD