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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 $255 AUD
HK$1,400 HKD
As of November 1, 2026
Save $770 AUD (75%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,878 AUD 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 28, 2026, with a 302% 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
Colour
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: Nov 1
Current: $1,878 AUD|Low: $174 AUD|High: $1,909 AUD|Avg: $542 AUD|-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$181 AUD
Retailer 6$201 AUD
Retailer 12$209 AUD
Retailer 3$224 AUD
Retailer 11$285 AUD
Retailer 13$324 AUD
Retailer 10$360 AUD
Retailer 8$366 AUD
Retailer 17$392 AUD
Retailer 4$426 AUD
Retailer 5$487 AUD
Retailer 16$551 AUD
Retailer 7$567 AUD
Retailer 9$620 AUD
Retailer 15$719 AUD
Retailer 2$1,025 AUD
MOH London$1,878 AUD

36 data points across 17 retailers

16 retailers$255 AUD to $1,025 AUD

Retailer 1
-
$181 AUD
$127 USD
Price last confirmed 9 days ago
Retailer 2
-
$209 AUD
$147 USD
View
Price last confirmed 8 days ago
Retailer 3
-
$224 AUD
$157 USD
View
Price last confirmed 13 days ago
A
Retailer 4
-
$255 AUD
HK$1,400 HKD
View
Retailer 5
-
$324 AUD
£179 GBP
View
Price last confirmed 9 days ago
Retailer 6
-
$360 AUD
£199 GBP
View
Price last confirmed 8 days ago
Retailer 7
-
$366 AUD
$257 USD
View
Price last confirmed 13 days ago
Retailer 8
-
$392 AUD
€262 EUR
View
Price last confirmed 7 days ago
Retailer 9
-
$426 AUD
$299 USD
View
Price last confirmed 15 days ago
Retailer 10
-
$487 AUD
£270 GBP
View
Price last confirmed 10 days ago
B+
Retailer 11
-
$551 AUD
$387 USD
View
Retailer 12
-
$567 AUD
$398 USD
View
Price last confirmed 8 days ago
Retailer 13
-
$620 AUD
SGD 589 SGD
View
Price last confirmed 9 days ago
Retailer 14
-
$719 AUD
$505 USD
View
Price last confirmed 13 days ago
B
Retailer 15
-
$1,025 AUD
$720 USD
View
Most Expensive
MOH London
LG805672651 · Oct 19
$1,878 AUD
£1,039 GBP
View
Price last confirmed 14 days ago
15 more retailers have this diamond
Prices start from $255 AUDSave up to $770 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
0.86ct Marquise
$255 AUD