Marquise|Lab Grown|IGI

0.86ct D SI1 Marquise Lab Grown Diamond

ID • D/SI1 • IGI LG805672651

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG805672651

Diamond specifications and retailer prices

From $147 USD
As of October 24, 2026
Save $573 USD (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,320 USD at MOH London · As of October 19, 2026
View at MOH London

About this 0.86ct lab-grown marquise diamond

This 0.86ct lab-grown marquise sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG805672651 or 805672651. Listed at 16 retailers as of October 24, 2026, with a 390% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.86
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35.2°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805672651
Dimensions10.20 × 5.01 × 2.88 mm
L/W Ratio2.04
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.20 mm5.01 mm0.86 ctD / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG805672651
Side View
Table 66.0%Crown 35.2°Girdle: MED-THKPavilion 38.5°Culet: NoneDepth 57.5%

Caratlytics Score

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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 24
Current: $1,320 USD|Low: $122 USD|High: $1,341 USD|Avg: $380 USD|-1.5%
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
Retailer 16
Retailer 17
October 27, 2026
Retailer 14$127 USD
Retailer 6$141 USD
Retailer 12$147 USD
Retailer 3$157 USD
Retailer 11$200 USD
Retailer 13$228 USD
Retailer 10$253 USD
Retailer 8$257 USD
Retailer 17$275 USD
Retailer 4$299 USD
Retailer 5$342 USD
Retailer 16$387 USD
Retailer 7$398 USD
Retailer 9$436 USD
Retailer 15$505 USD
Retailer 2$720 USD
MOH London$1,320 USD

37 data points across 17 retailers

16 retailers$147 USD to $720 USD

Retailer 1
-
$127 USD
Price last confirmed 8 days ago
A
Retailer 2
-
$147 USD
View
Retailer 3
-
$157 USD
View
Price last confirmed 12 days ago
A
Retailer 4
-
$179 USD
HK$1,400 HKD
View
Retailer 5
-
$228 USD
£179 GBP
View
Price last confirmed 7 days ago
A
Retailer 6
-
$253 USD
£199 GBP
View
Retailer 7
-
$257 USD
View
Price last confirmed 11 days ago
A
Retailer 8
-
$275 USD
€262 EUR
View
Retailer 9
-
$299 USD
View
Price last confirmed 13 days ago
Retailer 10
-
$342 USD
£270 GBP
View
Price last confirmed 8 days ago
B+
Retailer 11
-
$387 USD
View
B+
Retailer 12
-
$398 USD
View
Retailer 13
-
$436 USD
SGD 589 SGD
View
Price last confirmed 7 days ago
Retailer 14
-
$505 USD
View
Price last confirmed 12 days ago
B
Retailer 15
-
$720 USD
View
Most Expensive
MOH London
LG805672651 · Oct 19
$1,320 USD
£1,039 GBP
View
Price last confirmed 12 days ago
15 more retailers have this diamond
Prices start from $147 USDSave up to $573 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
0.86ct Marquise
$147 USD