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Marquise|Lab Grown|IGI

0.85ct D IF Marquise Lab Grown Diamond

VG • D/IF • IGI LG799608343

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG799608343

Diamond specifications and retailer prices

From £169 GBP
As of November 3, 2026
Save £1,964 GBP (92%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: £2,133 GBP at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 0.85ct lab-grown marquise diamond

This 0.85ct lab-grown marquise sits in the just-under-one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG799608343 or 799608343. Listed at 27 retailers as of November 3, 2026, with prices from £169 to £2,133, a £1,964 spread on the same certified stone. Do Amore Diamonds lists it at £2,133. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.85
Carat
D
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799608343
Dimensions9.44 × 5.12 × 3.10 mm
L/W Ratio1.84
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.44 mm5.12 mm0.85 ctD / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799608343
Side View
Table 58.0%Crown 31.5°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 60.5%

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 3
Current: £270 GBP|Low: £149 GBP|High: £1,163 GBP|Avg: £601 GBP|-2.9%
Retailer 1
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Retailer 22
November 4, 2026
Retailer 14£154 GBP
Retailer 20£169 GBP
Retailer 13£179 GBP
Retailer 21£188 GBP
Retailer 1£270 GBP
Retailer 7£356 GBP
Retailer 22£379 GBP
Retailer 9£415 GBP
Retailer 5£460 GBP
Retailer 8£520 GBP
Retailer 10£595 GBP
Retailer 3£652 GBP
Retailer 16£667 GBP
Retailer 6£701 GBP
Retailer 15£756 GBP
Retailer 19£795 GBP
Retailer 2£836 GBP
Retailer 17£896 GBP
Retailer 4£900 GBP
Retailer 11£1,019 GBP
Retailer 12£1,081 GBP
Retailer 18£1,081 GBP

33 data points across 22 retailers

27 retailers£169 GBP to £2,133 GBP

Retailer 1
-
£154 GBP
Price last confirmed 17 days ago
A
Retailer 2
-
£169 GBP
View
Final sale: no returns
Retailer 3
-
£179 GBP
View
Price last confirmed 21 days ago
A
Retailer 4
-
£188 GBP
View
Retailer 5
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£190 GBP
View
Price last confirmed 17 days ago
A
Retailer 6
-
£270 GBP
View
A
Retailer 7
-
£315 GBP
View
A
Retailer 8
-
£356 GBP
View
A
Retailer 9
-
£379 GBP
View
A
Retailer 10
-
£413 GBP
View
A
Retailer 11
-
£415 GBP
View
A
Retailer 12
-
£460 GBP
View
Retailer 13
-
£520 GBP
View
Price last confirmed 9 days ago
Retailer 14
-
£595 GBP
View
Price last confirmed 11 days ago
B+
Retailer 15
-
£652 GBP
View
B+
Retailer 16
-
£667 GBP
View
Retailer 17
-
£674 GBP
View
Price last confirmed 17 days ago
B+
Retailer 18
-
£701 GBP
View
B+
Retailer 19
-
£756 GBP
View
B+
Retailer 20
-
£795 GBP
View
B
Retailer 21
-
£836 GBP
View
B
Retailer 22
-
£896 GBP
View
B
Retailer 23
-
£900 GBP
View
B
Retailer 24
-
£1,019 GBP
View
B
Retailer 25
-
£1,081 GBP
View
B
Retailer 26
-
£1,081 GBP
View
Most Expensive
B
Do Amore Diamonds
32-LG799608343 · Nov 4
£2,133 GBP
$2,880 USD
View
26 more retailers have this diamond
Prices start from £169 GBPSave up to £1,964 GBP

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
0.85ct Marquise
£169 GBP