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Marquise|Lab Grown|IGI

2.51ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG836638868

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG836638868

Diamond specifications and retailer prices

From €958 EUR
$1,070 USD
As of October 30, 2026
Save €2,922 EUR (75%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €3,880 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 2.51ct lab-grown marquise diamond

This 2.51ct lab-grown marquise sits in the two to three carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836638868 or 836638868. Listed at 17 retailers as of October 30, 2026, with prices from €958 to €3,880, a €2,922 spread on the same certified stone. Taylor and Hart lists it at €3,880. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.51
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.9°
Pavilion angle42.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836638868
Dimensions14.86 × 6.86 × 4.38 mm
L/W Ratio2.17
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.86 mm6.86 mm2.51 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836638868
Side View
Table 62.0%Crown 30.9°Girdle: STK-THKPavilion 42.1°Culet: NoneDepth 63.8%

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: Oct 30
Current: €1,609 EUR|Low: €898 EUR|High: €4,573 EUR|Avg: €2,227 EUR|-12.8%
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
Retailer 14
Taylor and Hart
November 1, 2026
Retailer 10€958 EUR
Retailer 6€1,042 EUR
Retailer 4€1,071 EUR
Retailer 11€1,111 EUR
Retailer 8€1,267 EUR
Retailer 1€1,609 EUR
Retailer 14€1,770 EUR
Retailer 2€2,082 EUR
Retailer 3€2,253 EUR
Retailer 13€2,358 EUR
Retailer 7€2,637 EUR
Retailer 5€3,069 EUR
Retailer 12€3,216 EUR
Retailer 9€3,788 EUR
Taylor and Hart€3,880 EUR

45 data points across 15 retailers

17 retailers€958 EUR to €3,880 EUR

A
Cheapest Retailer
-
€958 EUR
$1,070 USD
A
Retailer 2
-
€1,042 EUR
$1,164 USD
View
A
Retailer 3
-
€1,071 EUR
$1,197 USD
View
Final sale: no returns
A
Retailer 4
-
€1,111 EUR
$1,241 USD
View
Retailer 5
-
€1,111 EUR
$1,241 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
€1,267 EUR
$1,415 USD
View
Retailer 7
-
€1,285 EUR
$1,436 USD
View
Price last confirmed 37 days ago
A
Retailer 8
-
€1,609 EUR
£1,415 GBP
View
A
Retailer 9
-
€1,770 EUR
$1,977 USD
View
A
Retailer 10
-
€2,082 EUR
$2,326 USD
View
A
Retailer 11
-
€2,253 EUR
$2,517 USD
View
A
Retailer 12
-
€2,358 EUR
$2,634 USD
View
A
Retailer 13
-
€2,637 EUR
A$4,532 AUD
View
A
Retailer 14
-
€3,069 EUR
£2,700 GBP
View
A
Retailer 15
-
€3,216 EUR
$3,593 USD
View
B+
Retailer 16
-
€3,788 EUR
£3,332 GBP
View
Most Expensive
B+
Taylor and Hart
QCVCQE1 · Oct 31
€3,880 EUR
$4,335 USD
View
16 more retailers have this diamond
Prices start from €958 EURSave up to €2,922 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
2.51ct Marquise
€958 EUR