CaratHunter
Plans
Marquise|Lab Grown|IGI

1.31ct F VS1 Marquise Lab Grown Diamond

VG • F/VS1 • IGI LG623423017

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG623423017

Diamond specifications and retailer prices

From €251 EUR
$281 USD
As of November 2, 2026
Save €1,002 EUR (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €1,252 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 1.31ct lab-grown marquise diamond

This 1.31ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG623423017 or 623423017. Listed at 18 retailers as of October 29, 2026, with prices from €251 to €1,252, a €1,002 spread on the same certified stone. MOH London lists it at €1,252. 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

1.31
Carat
F
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG623423017
Dimensions10.61 × 5.73 × 3.69 mm
L/W Ratio1.85
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
10.61 mm5.73 mm1.31 ctF / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG623423017
Side View
Table 60.0%Crown 38°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 64.4%

Caratlytics Score

How it works →
A
Excellent
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 2
Current: €1,252 EUR|Low: €241 EUR|High: €1,260 EUR|Avg: €650 EUR|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 2, 2026
Retailer 21€251 EUR
Retailer 5€291 EUR
Retailer 3€311 EUR
Retailer 6€311 EUR
Retailer 18€374 EUR
Retailer 9€411 EUR
Retailer 13€450 EUR
Retailer 10€473 EUR
Retailer 20€513 EUR
Retailer 7€536 EUR
Retailer 2€536 EUR
Retailer 11€558 EUR
Retailer 15€561 EUR
Retailer 16€701 EUR
Retailer 17€709 EUR
Retailer 19€955 EUR
Retailer 4€999 EUR
Retailer 14€1,013 EUR
Retailer 8€1,128 EUR
Retailer 12€1,182 EUR
MOH London€1,252 EUR

30 data points across 21 retailers

18 retailers€251 EUR to €1,252 EUR

A
Cheapest Retailer
-
€251 EUR
$281 USD
A
Retailer 2
-
€291 EUR
$326 USD
View
Retailer 3
-
€311 EUR
$349 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
€311 EUR
$349 USD
View
Retailer 5
-
€411 EUR
HK$3,600 HKD
View
Price last confirmed 28 days ago
A
Retailer 6
-
€450 EUR
$505 USD
View
B+
Retailer 7
-
€473 EUR
$531 USD
View
B+
Retailer 8
-
€513 EUR
$575 USD
View
B+
Retailer 9
-
€536 EUR
$601 USD
View
B+
Retailer 10
-
€536 EUR
ZAR 9,711 ZAR
View
B+
Retailer 11
-
€561 EUR
A$968 AUD
View
B+
Retailer 12
-
€701 EUR
A$1,210 AUD
View
B+
Retailer 13
-
€709 EUR
$795 USD
View
B
Retailer 14
-
€955 EUR
$1,071 USD
View
B
Retailer 15
-
€999 EUR
$1,121 USD
View
B
Retailer 16
-
€1,013 EUR
$1,137 USD
View
Retailer 17
-
€1,182 EUR
SGD 1,792 SGD
View
Price last confirmed 26 days ago
Most Expensive
B
MOH London
LG623423017 · Oct 29
€1,252 EUR
£1,106 GBP
View
17 more retailers have this diamond
Prices start from €251 EURSave up to €1,002 EUR

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
1.31ct Marquise
€251 EUR