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Marquise|Lab Grown|IGI

0.97ct E VS1 Marquise Lab Grown Diamond

EX • E/VS1 • IGI LG812620923

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG812620923

Diamond specifications and retailer prices

From £155 GBP
$207 USD
As of October 30, 2026
Save £708 GBP (82%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £863 GBP at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 0.97ct lab-grown marquise diamond

This 0.97ct lab-grown marquise sits in the just-under-one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG812620923 or 812620923. Listed at 20 retailers as of October 30, 2026, with prices from £155 to £863, a £708 spread on the same certified stone. Reve Diamonds lists it at £863. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.97
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812620923
Dimensions10.22 × 5.18 × 3.18 mm
L/W Ratio1.97
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
10.22 mm5.18 mm0.97 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812620923
Side View
Table 60.0%Crown 35.8°Girdle: MED-THKPavilion 40°Culet: NoneDepth 61.4%

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: Oct 30
Current: £313 GBP|Low: £155 GBP|High: £820 GBP|Avg: £383 GBP|+4.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 5£155 GBP
Retailer 3£173 GBP
Retailer 2£244 GBP
Retailer 12£261 GBP
Retailer 9£296 GBP
Retailer 6£313 GBP
Retailer 1£313 GBP
Retailer 10£349 GBP
Retailer 4£364 GBP
Retailer 7£432 GBP
Retailer 11£589 GBP
Retailer 13£668 GBP
Retailer 8£812 GBP

37 data points across 13 retailers

20 retailers£155 GBP to £863 GBP

Retailer 1
-
£140 GBP
$186 USD
Price last confirmed 22 days ago
A
Retailer 2
-
£155 GBP
$207 USD
View
Final sale: no returns
Retailer 3
-
£162 GBP
$216 USD
View
Price last confirmed 31 days ago
Retailer 4
-
£171 GBP
$228 USD
View
Price last confirmed 35 days ago
Retailer 5
-
£173 GBP
$231 USD
View
Price last confirmed 18 days ago
Retailer 6
-
£173 GBP
$231 USD
View
Price last confirmed 27 days ago
A
Retailer 7
-
£244 GBP
$325 USD
View
A
Retailer 8
-
£261 GBP
$348 USD
View
A
Retailer 9
-
£296 GBP
€376 EUR
View
A
Retailer 10
-
£313 GBP
ZAR 6,741 ZAR
View
B+
Retailer 11
-
£313 GBP
View
B+
Retailer 12
-
£349 GBP
$465 USD
View
B+
Retailer 13
-
£364 GBP
$485 USD
View
B+
Retailer 14
-
£432 GBP
A$886 AUD
View
Retailer 15
-
£557 GBP
$742 USD
View
Price last confirmed 29 days ago
B
Retailer 16
-
£589 GBP
$784 USD
View
B
Retailer 17
-
£598 GBP
$796 USD
View
B
Retailer 18
-
£668 GBP
$890 USD
View
B
Retailer 19
-
£812 GBP
View
Most Expensive
B
Reve Diamonds
B2DB5B750 · Oct 30
£863 GBP
$1,150 USD
View
19 more retailers have this diamond
Prices start from £155 GBPSave up to £708 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
0.97ct Marquise
£155 GBP