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Marquise|Lab Grown|IGI

1.02ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG668432655

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG668432655

Diamond specifications and retailer prices

From £176 GBP
As of November 5, 2026
Save £1,328 GBP (88%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: £1,504 GBP at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.02ct lab-grown marquise diamond

This 1.02ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG668432655 or 668432655. Listed at 28 retailers as of November 4, 2026, with prices from £176 to £1,504, a £1,328 spread on the same certified stone. Do Amore Diamonds lists it at £1,504. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.02
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG668432655
Dimensions10.85 × 5.19 × 3.22 mm
L/W Ratio2.09
Girdle conditionFaceted
Culet sizePointed
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
10.85 mm5.19 mm1.02 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG668432655
Side View
Table 58.0%Crown 35.2°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
A+
Exceptional
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £1,504 GBP|Low: £156 GBP|High: £1,822 GBP|Avg: £610 GBP
Do Amore Diamonds
Retailer 2
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November 5, 2026
Retailer 12£156 GBP
Retailer 2£176 GBP
Retailer 9£194 GBP
Retailer 8£303 GBP
Retailer 7£304 GBP
Retailer 11£324 GBP
Retailer 21£360 GBP
Retailer 5£369 GBP
Retailer 18£370 GBP
Retailer 13£400 GBP
Retailer 14£468 GBP
Retailer 17£525 GBP
Retailer 22£615 GBP
Retailer 4£627 GBP
Retailer 15£732 GBP
Retailer 10£816 GBP
Retailer 16£856 GBP
Retailer 3£911 GBP
Retailer 6£911 GBP
Retailer 19£1,037 GBP
Retailer 20£1,053 GBP
Do Amore Diamonds£1,504 GBP

38 data points across 22 retailers

28 retailers£176 GBP to £1,504 GBP

A+
Cheapest Retailer
-
£176 GBP
Final sale: no returns
Retailer 2
-
£194 GBP
View
Price last confirmed 28 days ago
Retailer 3
-
£194 GBP
View
Price last confirmed 26 days ago
Retailer 4
-
£204 GBP
View
Price last confirmed 36 days ago
Retailer 5
-
£237 GBP
View
Price last confirmed 37 days ago
Retailer 6
-
£250 GBP
View
Price last confirmed 37 days ago
A
Retailer 7
-
£303 GBP
View
A
Retailer 8
-
£304 GBP
View
A
Retailer 9
-
£324 GBP
View
A
Retailer 10
-
£360 GBP
View
A
Retailer 11
-
£369 GBP
View
A
Retailer 12
-
£370 GBP
View
A
Retailer 13
-
£400 GBP
View
B+
Retailer 14
-
£468 GBP
View
B+
Retailer 15
-
£525 GBP
View
B+
Retailer 16
-
£615 GBP
View
B+
Retailer 17
-
£627 GBP
View
B+
Retailer 18
-
£689 GBP
View
Retailer 19
-
£689 GBP
View
Price last confirmed 26 days ago
B+
Retailer 20
-
£732 GBP
View
B
Retailer 21
-
£816 GBP
View
B+
Retailer 22
-
£856 GBP
View
Retailer 23
-
£900 GBP
View
Price last confirmed 36 days ago
Retailer 24
-
£911 GBP
View
Price last confirmed 8 days ago
B
Retailer 25
-
£911 GBP
View
B+
Retailer 26
-
£1,037 GBP
View
B
Retailer 27
-
£1,053 GBP
View
Most Expensive
B
Do Amore Diamonds
27-6FC874E2E · Nov 4
£1,504 GBP
$2,030 USD
View
27 more retailers have this diamond
Prices start from £176 GBPSave up to £1,328 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+
1.02ct Marquise
£176 GBP