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Marquise|Lab Grown|IGI

0.87ct D SI1 Marquise Lab Grown Diamond

ID • D/SI1 • IGI LG662486040

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG662486040

Diamond specifications and retailer prices

From $151 AUD
$106 USD
As of October 30, 2026
Save $520 AUD (77%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $671 AUD at Friendly Diamonds · As of October 31, 2026
View at Friendly Diamonds

About this 0.87ct lab-grown marquise diamond

This 0.87ct 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 LG662486040 or 662486040. Listed at 13 retailers as of October 30, 2026, with prices from $151 to $671, a $520 spread on the same certified stone. Friendly Diamonds lists it at $671. 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

0.87
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG662486040
Dimensions9.96 × 4.91 × 3.11 mm
L/W Ratio2.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.96 mm4.91 mm0.87 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG662486040
Side View
Table 62.0%Crown 35.8°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.3%

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 30
Current: $671 AUD|Low: $151 AUD|High: $1,125 AUD|Avg: $450 AUD
Friendly Diamonds
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
November 1, 2026
Retailer 13$151 AUD
Retailer 2$175 AUD
Retailer 11$199 AUD
Retailer 3$219 AUD
Retailer 9$271 AUD
Retailer 16$285 AUD
Retailer 15$346 AUD
Retailer 10$371 AUD
Retailer 4$376 AUD
Retailer 5$385 AUD
Retailer 6$502 AUD
Retailer 14$535 AUD
Retailer 12$602 AUD
Friendly Diamonds$671 AUD
Retailer 8$951 AUD
Retailer 7$1,125 AUD

5 data points across 16 retailers

13 retailers$151 AUD to $671 AUD

A
Cheapest Retailer
-
$151 AUD
$106 USD
A
Retailer 2
-
$175 AUD
$123 USD
View
A
Retailer 3
-
$199 AUD
$140 USD
View
A
Retailer 4
-
$219 AUD
HK$1,200 HKD
View
A
Retailer 5
-
$271 AUD
£150 GBP
View
A
Retailer 6
-
$285 AUD
$200 USD
View
A
Retailer 7
-
$346 AUD
$243 USD
View
A
Retailer 8
-
$371 AUD
£205 GBP
View
A
Retailer 9
-
$376 AUD
$264 USD
View
A
Retailer 10
-
$385 AUD
£213 GBP
View
B+
Retailer 11
-
$535 AUD
$376 USD
View
B
Retailer 12
-
$602 AUD
$423 USD
View
Most Expensive
B
Friendly Diamonds
6559970 · Oct 31
$671 AUD
$471 USD
View
12 more retailers have this diamond
Prices start from $151 AUDSave up to $520 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
0.87ct Marquise
$151 AUD