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Marquise|Lab Grown|IGI

0.68ct D IF Marquise Lab Grown Diamond

VG • D/IF • IGI LG799608259

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG799608259

Diamond specifications and retailer prices

From £154 GBP
$207 USD
As of November 1, 2026
Save £1,644 GBP (91%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £1,799 GBP at Do Amore Diamonds · As of October 31, 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 LG799608259 or 799608259. Listed at 24 retailers as of October 31, 2026, with prices from £154 to £1,799, a £1,644 spread on the same certified stone. Do Amore Diamonds lists it at £1,799. 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 angle33.7°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799608259
Dimensions8.74 × 4.68 × 2.88 mm
L/W Ratio1.87
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.74 mm4.68 mm0.68 ctD / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799608259
Side View
Table 55.0%Crown 33.7°Girdle: STK-THKPavilion 39.2°Culet: NoneDepth 61.5%

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 1
Current: £1,799 GBP|Low: £135 GBP|High: £1,799 GBP|Avg: £627 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 11
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Retailer 22
November 1, 2026
Retailer 12£140 GBP
Retailer 5£154 GBP
Retailer 11£162 GBP
Retailer 16£172 GBP
Retailer 14£259 GBP
Retailer 15£322 GBP
Retailer 3£343 GBP
Retailer 21£351 GBP
Retailer 8£396 GBP
Retailer 4£484 GBP
Retailer 7£487 GBP
Retailer 13£530 GBP
Retailer 19£609 GBP
Retailer 18£715 GBP
Retailer 6£738 GBP
Retailer 10£739 GBP
Retailer 9£776 GBP
Retailer 22£857 GBP
Retailer 2£886 GBP
Retailer 17£1,105 GBP
Retailer 20£1,105 GBP
Do Amore Diamonds£1,799 GBP

33 data points across 22 retailers

24 retailers£154 GBP to £1,799 GBP

Retailer 1
-
£140 GBP
$187 USD
Price last confirmed 13 days ago
A
Retailer 2
-
£154 GBP
$207 USD
View
Final sale: no returns
Retailer 3
-
£162 GBP
$217 USD
View
Price last confirmed 17 days ago
A
Retailer 4
-
£172 GBP
$230 USD
View
Retailer 5
-
£172 GBP
$231 USD
View
Price last confirmed 12 days ago
A
Retailer 6
-
£259 GBP
$347 USD
View
A
Retailer 7
-
£322 GBP
$432 USD
View
A
Retailer 8
-
£343 GBP
ZAR 7,419 ZAR
View
A
Retailer 9
-
£351 GBP
$470 USD
View
A
Retailer 10
-
£396 GBP
$531 USD
View
B+
Retailer 11
-
£484 GBP
A$997 AUD
View
Retailer 12
-
£487 GBP
€622 EUR
View
Price last confirmed 7 days ago
B+
Retailer 13
-
£530 GBP
$710 USD
View
B+
Retailer 14
-
£609 GBP
$816 USD
View
Retailer 15
-
£612 GBP
$820 USD
View
Price last confirmed 12 days ago
B+
Retailer 16
-
£715 GBP
A$1,474 AUD
View
B
Retailer 17
-
£738 GBP
$989 USD
View
Retailer 18
-
£739 GBP
View
Price last confirmed 12 days ago
B
Retailer 19
-
£776 GBP
CA$1,443 CAD
View
B
Retailer 20
-
£857 GBP
$1,149 USD
View
B
Retailer 21
-
£886 GBP
View
B
Retailer 22
-
£1,105 GBP
$1,480 USD
View
B
Retailer 23
-
£1,105 GBP
$1,480 USD
View
Most Expensive
B
Do Amore Diamonds
32-LG799608259 · Oct 31
£1,799 GBP
$2,410 USD
View
23 more retailers have this diamond
Prices start from £154 GBPSave up to £1,644 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