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Marquise|Lab Grown|IGI

0.68ct D IF Marquise Lab Grown Diamond

VG • D/IF • IGI LG799608260

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG799608260

Diamond specifications and retailer prices

From £154 GBP
$207 USD
As of November 1, 2026
Save £1,642 GBP (91%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £1,796 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 0.68ct lab-grown marquise diamond

This 0.68ct lab-grown marquise sits in the half to three-quarter carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG799608260 or 799608260. Listed at 24 retailers as of November 1, 2026, with prices from £154 to £1,796, a £1,642 spread on the same certified stone. Do Amore Diamonds lists it at £1,796. 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

0.68
Carat
D
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.3°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799608260
Dimensions9.16 × 4.71 × 2.77 mm
L/W Ratio1.94
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.16 mm4.71 mm0.68 ctD / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799608260
Side View
Table 55.0%Crown 30.3°Girdle: STK-THKPavilion 38.3°Culet: NoneDepth 58.8%

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: £1,796 GBP|Low: £135 GBP|High: £1,796 GBP|Avg: £625 GBP
Do Amore Diamonds
Retailer 2
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Retailer 22
November 1, 2026
Retailer 11£139 GBP
Retailer 4£154 GBP
Retailer 10£162 GBP
Retailer 17£171 GBP
Retailer 14£259 GBP
Retailer 15£322 GBP
Retailer 2£344 GBP
Retailer 21£350 GBP
Retailer 7£396 GBP
Retailer 3£483 GBP
Retailer 6£487 GBP
Retailer 16£529 GBP
Retailer 19£608 GBP
Retailer 12£725 GBP
Retailer 5£737 GBP
Retailer 9£738 GBP
Retailer 8£774 GBP
Retailer 22£856 GBP
Retailer 13£885 GBP
Retailer 18£1,103 GBP
Retailer 20£1,103 GBP
Do Amore Diamonds£1,796 GBP

33 data points across 22 retailers

24 retailers£154 GBP to £1,796 GBP

Retailer 1
-
£139 GBP
$187 USD
Price last confirmed 14 days ago
A
Retailer 2
-
£154 GBP
$207 USD
View
Final sale: no returns
Retailer 3
-
£162 GBP
$217 USD
View
Price last confirmed 18 days ago
A
Retailer 4
-
£171 GBP
$230 USD
View
Retailer 5
-
£172 GBP
$231 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
£259 GBP
$347 USD
View
A
Retailer 7
-
£322 GBP
$432 USD
View
A
Retailer 8
-
£344 GBP
ZAR 7,456 ZAR
View
A
Retailer 9
-
£350 GBP
$470 USD
View
A
Retailer 10
-
£396 GBP
$531 USD
View
B+
Retailer 11
-
£483 GBP
A$997 AUD
View
Retailer 12
-
£487 GBP
€622 EUR
View
Price last confirmed 8 days ago
B+
Retailer 13
-
£529 GBP
$710 USD
View
B+
Retailer 14
-
£608 GBP
$816 USD
View
Retailer 15
-
£611 GBP
$820 USD
View
Price last confirmed 13 days ago
Retailer 16
-
£725 GBP
A$1,496 AUD
View
Price last confirmed 28 days ago
B
Retailer 17
-
£737 GBP
$989 USD
View
Retailer 18
-
£738 GBP
View
Price last confirmed 14 days ago
B
Retailer 19
-
£774 GBP
CA$1,443 CAD
View
B
Retailer 20
-
£856 GBP
$1,149 USD
View
B
Retailer 21
-
£885 GBP
View
B
Retailer 22
-
£1,103 GBP
$1,480 USD
View
B
Retailer 23
-
£1,103 GBP
$1,480 USD
View
Most Expensive
B
Do Amore Diamonds
32-LG799608260 · Nov 2
£1,796 GBP
$2,410 USD
View
23 more retailers have this diamond
Prices start from £154 GBPSave up to £1,642 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
0.68ct Marquise
£154 GBP