Marquise|Lab Grown|IGI

3.23ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG819657532

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG819657532

Diamond specifications and retailer prices

From €6,890 EUR
$7,697 USD
As of October 30, 2026
Save €16,449 EUR (70%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €26,365 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 3.23ct lab-grown marquise diamond

This 3.23ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG819657532 or 819657532. Listed at 19 retailers as of October 30, 2026, with a 239% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.23
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG819657532
Dimensions16.38 × 7.56 × 4.49 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
16.38 mm7.56 mm3.23 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG819657532
Side View
Table 57.0%Crown 32.7°Girdle: MED-STKPavilion 37.5°Culet: NoneDepth 59.4%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €18,558 EUR|Low: €6,357 EUR|High: €29,827 EUR|Avg: €12,037 EUR|-11.9%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Taylor and Hart
October 29, 2026
Retailer 11€6,357 EUR
Retailer 18€6,890 EUR
Retailer 4€7,351 EUR
Retailer 15€7,922 EUR
Retailer 3€7,935 EUR
Retailer 2€7,992 EUR
Retailer 6€7,992 EUR
Retailer 10€8,238 EUR
Retailer 19€8,238 EUR
Retailer 16€8,380 EUR
Retailer 17€8,838 EUR
Retailer 5€8,988 EUR
Retailer 12€9,822 EUR
Retailer 9€11,459 EUR
Retailer 14€13,250 EUR
Retailer 7€14,620 EUR
Retailer 13€14,915 EUR
Retailer 1€18,558 EUR
Retailer 8€23,338 EUR
Taylor and Hart€26,365 EUR

33 data points across 20 retailers

19 retailers€6,890 EUR to €23,338 EUR

Retailer 1
-
€6,357 EUR
$7,103 USD
Price last confirmed 49 days ago
B+
Retailer 2
-
€6,890 EUR
$7,697 USD
View
B+
Retailer 3
-
€7,351 EUR
$8,213 USD
View
B+
Retailer 4
-
€7,922 EUR
$8,850 USD
View
B+
Retailer 5
-
€7,935 EUR
$8,865 USD
View
Retailer 6
-
€7,992 EUR
$8,929 USD
View
Price last confirmed 15 days ago
B+
Retailer 7
-
€7,992 EUR
$8,929 USD
View
B+
Retailer 8
-
€8,238 EUR
HK$71,900 HKD
View
B+
Retailer 9
-
€8,380 EUR
$9,362 USD
View
B+
Retailer 10
-
€8,838 EUR
$9,874 USD
View
Final sale: no returns
B+
Retailer 11
-
€8,988 EUR
$10,042 USD
View
B+
Retailer 12
-
€9,822 EUR
£8,640 GBP
View
B+
Retailer 13
-
€11,459 EUR
£10,080 GBP
View
B
Retailer 14
-
€13,250 EUR
View
B
Retailer 15
-
€14,620 EUR
$16,333 USD
View
B
Retailer 16
-
€14,915 EUR
£13,121 GBP
View
B
Retailer 17
-
€18,558 EUR
ZAR 334,938 ZAR
View
B
Retailer 18
-
€23,338 EUR
$26,073 USD
View
Most Expensive
Taylor and Hart
U6QPA0Q · Oct 31
€26,365 EUR
$29,455 USD
View
Price under review
18 more retailers have this diamond
Prices start from €6,890 EURSave up to €16,449 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.

B+
3.23ct Marquise
€6,890 EUR