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Marquise|Lab Grown|IGI

0.67ct D FL Marquise Lab Grown Diamond

VG • D/FL • IGI LG833636913

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG833636913

Diamond specifications and retailer prices

From £289 GBP
As of November 4, 2026
Save £1,353 GBP (82%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,642 GBP at Riddles Jewelry · As of November 4, 2026
View at Riddles Jewelry

About this 0.67ct lab-grown marquise diamond

This 0.67ct lab-grown marquise sits in the half to three-quarter carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG833636913 or 833636913. Listed at 19 retailers as of November 4, 2026, with prices from £289 to £1,642, a £1,353 spread on the same certified stone. Riddles Jewelry lists it at £1,642. 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

0.67
Carat
D
Colour
FL
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833636913
Dimensions8.94 × 4.59 × 2.83 mm
L/W Ratio1.95
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
8.94 mm4.59 mm0.67 ctD / FL
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833636913
Side View
Table 60.0%Crown 36.5°Girdle: MediumPavilion 40.4°Culet: NoneDepth 61.7%

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: Nov 4
Current: £643 GBP|Low: £278 GBP|High: £1,642 GBP|Avg: £803 GBP|+2.1%
Retailer 1
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Retailer 18
Riddles Jewelry
November 5, 2026
Retailer 15£289 GBP
Retailer 2£324 GBP
Retailer 3£358 GBP
Retailer 17£358 GBP
Retailer 5£363 GBP
Retailer 9£380 GBP
Retailer 13£549 GBP
Retailer 16£571 GBP
Retailer 14£592 GBP
Retailer 1£643 GBP
Retailer 12£650 GBP
Retailer 8£782 GBP
Retailer 18£1,152 GBP
Retailer 6£1,180 GBP
Retailer 7£1,184 GBP
Retailer 4£1,285 GBP
Retailer 10£1,334 GBP
Retailer 11£1,396 GBP
Riddles Jewelry£1,642 GBP

45 data points across 19 retailers

19 retailers£289 GBP to £1,642 GBP

A
Cheapest Retailer
-
£289 GBP
A
Retailer 2
-
£324 GBP
View
A
Retailer 3
-
£358 GBP
View
Retailer 4
-
£358 GBP
View
Price last confirmed 11 days ago
A
Retailer 5
-
£363 GBP
View
Final sale: no returns
A
Retailer 6
-
£380 GBP
View
Retailer 7
-
£549 GBP
View
Price last confirmed 9 days ago
B+
Retailer 8
-
£571 GBP
View
B+
Retailer 9
-
£592 GBP
View
B+
Retailer 10
-
£643 GBP
View
B+
Retailer 11
-
£650 GBP
View
B
Retailer 12
-
£782 GBP
View
B
Retailer 13
-
£1,152 GBP
View
B
Retailer 14
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£1,180 GBP
View
B
Retailer 15
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£1,184 GBP
View
B
Retailer 16
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£1,311 GBP
View
B
Retailer 17
-
£1,334 GBP
View
B
Retailer 18
-
£1,396 GBP
View
Most Expensive
B
Riddles Jewelry
1980478258 · Nov 4
£1,642 GBP
$2,210 USD
View
18 more retailers have this diamond
Prices start from £289 GBPSave up to £1,353 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
0.67ct Marquise
£289 GBP