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Marquise|Lab Grown|IGI

0.71ct D SI1 Marquise Lab Grown Diamond

EX • D/SI1 • IGI LG659454454

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG659454454

Diamond specifications and retailer prices

From $92 USD
As of October 30, 2026
Save $749 USD (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $841 USD at MOH London · As of October 29, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG659454454 or 659454454. Listed at 11 retailers as of October 29, 2026, with prices from $92 to $841, a $749 spread on the same certified stone. MOH London lists it at $841. 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
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG659454454
Dimensions9.10 × 4.65 × 2.95 mm
L/W Ratio1.96
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.10 mm4.65 mm0.71 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG659454454
Side View
Table 59.0%Crown 34.8°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 63.4%

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 30
Current: $841 USD|Low: $92 USD|High: $841 USD|Avg: $293 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 11$92 USD
Retailer 13$106 USD
Retailer 2$121 USD
Retailer 15$141 USD
Retailer 14$190 USD
Retailer 5$209 USD
Retailer 9$211 USD
Retailer 4$237 USD
Retailer 3$248 USD
Retailer 12$354 USD
Retailer 8$366 USD
Retailer 7$383 USD
Retailer 10$408 USD
Retailer 6$559 USD
MOH London$841 USD

5 data points across 15 retailers

11 retailers$92 USD to $841 USD

A
Cheapest Retailer
-
$92 USD
A
Retailer 2
-
$106 USD
View
A
Retailer 3
-
$121 USD
View
A
Retailer 4
-
$141 USD
HK$1,100 HKD
View
A
Retailer 5
-
$211 USD
£166 GBP
View
A
Retailer 6
-
$237 USD
View
A
Retailer 7
-
$248 USD
£195 GBP
View
B+
Retailer 8
-
$354 USD
View
B+
Retailer 9
-
$366 USD
View
B+
Retailer 10
-
$408 USD
View
Most Expensive
B
MOH London
LG659454454 · Oct 29
$841 USD
£662 GBP
View
10 more retailers have this diamond
Prices start from $92 USDSave up to $749 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
$92 USD