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Marquise|Lab Grown|IGI

3.70ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG797604252

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG797604252

Diamond specifications and retailer prices

From €5,189 EUR
$5,797 USD
As of November 2, 2026
Save €14,893 EUR (74%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €20,081 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 3.7ct lab-grown marquise diamond

This 3.7ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG797604252 or 797604252. Listed at 13 retailers as of October 31, 2026, with prices from €5,189 to €20,081, a €14,893 spread on the same certified stone. Taylor and Hart lists it at €20,081. 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

3.70
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797604252
Dimensions15.32 × 7.81 × 5.13 mm
L/W Ratio1.96
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.32 mm7.81 mm3.70 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797604252
Side View
Table 61.0%Crown 35.1°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 65.7%

Caratlytics Score

How it works →
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 2
Current: €6,208 EUR|Low: €5,189 EUR|High: €23,170 EUR|Avg: €11,319 EUR|-26.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Taylor and Hart
November 2, 2026
Retailer 3€5,189 EUR
Retailer 2€5,666 EUR
Retailer 1€6,208 EUR
Retailer 11€6,396 EUR
Retailer 9€8,324 EUR
Retailer 8€9,100 EUR
Retailer 4€9,452 EUR
Retailer 10€9,935 EUR
Retailer 5€11,529 EUR
Retailer 7€13,156 EUR
Retailer 6€18,227 EUR
Taylor and Hart€20,081 EUR

40 data points across 12 retailers

13 retailers€5,189 EUR to €20,081 EUR

A
Cheapest Retailer
-
€5,189 EUR
$5,797 USD
Retailer 2
-
€5,666 EUR
$6,330 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
€6,208 EUR
£5,461 GBP
View
A
Retailer 4
-
€6,396 EUR
$7,146 USD
View
Retailer 5
-
€7,817 EUR
$8,733 USD
View
Price last confirmed 84 days ago
B+
Retailer 6
-
€8,324 EUR
$9,300 USD
View
B+
Retailer 7
-
€9,100 EUR
View
B+
Retailer 8
-
€9,452 EUR
$10,560 USD
View
B+
Retailer 9
-
€9,935 EUR
$11,100 USD
View
B+
Retailer 10
-
€11,529 EUR
£10,142 GBP
View
B+
Retailer 11
-
€13,156 EUR
ZAR 237,440 ZAR
View
B
Retailer 12
-
€18,227 EUR
A$31,328 AUD
View
Most Expensive
B
Taylor and Hart
J6ZEMBB · Oct 31
€20,081 EUR
$22,435 USD
View
12 more retailers have this diamond
Prices start from €5,189 EURSave up to €14,893 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
3.70ct Marquise
€5,189 EUR