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Radiant|Lab Grown|IGI

3.10ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG817693421

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG817693421

Diamond specifications and retailer prices

From €1,766 EUR
$1,973 USD
As of October 30, 2026
Save €5,406 EUR (75%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €7,172 EUR at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 3.1ct lab-grown radiant diamond

This 3.1ct lab-grown radiant 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 LG817693421 or 817693421. Listed at 20 retailers as of October 30, 2026, with prices from €1,766 to €7,172, a €5,406 spread on the same certified stone. Taylor and Hart lists it at €7,172. 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

3.10
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.6°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817693421
Dimensions10.30 × 7.28 × 4.78 mm
L/W Ratio1.41
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
10.30 mm7.28 mm3.10 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817693421
Side View
Table 62.0%Crown 45.6°Girdle: Slightly ThickPavilion 35.4°Culet: NoneDepth 65.7%

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: €3,238 EUR|Low: €1,766 EUR|High: €7,929 EUR|Avg: €4,132 EUR|-27.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 7
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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 31, 2026
Retailer 3€1,766 EUR
Retailer 10€1,922 EUR
Retailer 5€1,977 EUR
Retailer 18€2,049 EUR
Retailer 15€2,197 EUR
Retailer 6€2,360 EUR
Retailer 17€2,817 EUR
Retailer 12€2,818 EUR
Retailer 11€2,886 EUR
Retailer 4€2,938 EUR
Retailer 16€3,208 EUR
Retailer 1€3,238 EUR
Retailer 19€3,365 EUR
Retailer 2€3,888 EUR
Retailer 13€4,758 EUR
Retailer 7€5,286 EUR
Retailer 14€5,883 EUR
Retailer 8€6,134 EUR
Retailer 9€6,846 EUR
Taylor and Hart€7,172 EUR

36 data points across 20 retailers

20 retailers€1,766 EUR to €7,172 EUR

A
Cheapest Retailer
-
€1,766 EUR
$1,973 USD
A
Retailer 2
-
€1,922 EUR
$2,147 USD
View
A
Retailer 3
-
€1,977 EUR
$2,209 USD
View
Final sale: no returns
A
Retailer 4
-
€2,049 EUR
$2,289 USD
View
A
Retailer 5
-
€2,197 EUR
$2,455 USD
View
A
Retailer 6
-
€2,360 EUR
HK$20,600 HKD
View
A
Retailer 7
-
€2,817 EUR
$3,147 USD
View
A
Retailer 8
-
€2,818 EUR
£2,479 GBP
View
Retailer 9
-
€2,886 EUR
$3,224 USD
View
Price last confirmed 19 days ago
A
Retailer 10
-
€2,938 EUR
$3,282 USD
View
A
Retailer 11
-
€3,208 EUR
$3,584 USD
View
B+
Retailer 12
-
€3,238 EUR
View
B+
Retailer 13
-
€3,365 EUR
$3,759 USD
View
B+
Retailer 14
-
€3,888 EUR
£3,420 GBP
View
B+
Retailer 15
-
€4,758 EUR
ZAR 85,876 ZAR
View
B+
Retailer 16
-
€5,286 EUR
$5,906 USD
View
B
Retailer 17
-
€5,883 EUR
£5,175 GBP
View
B
Retailer 18
-
€6,134 EUR
$6,853 USD
View
B
Retailer 19
-
€6,846 EUR
SGD 10,335 SGD
View
Most Expensive
B
Taylor and Hart
1ZBGUXG · Oct 30
€7,172 EUR
$8,013 USD
View
19 more retailers have this diamond
Prices start from €1,766 EURSave up to €5,406 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
3.10ct Radiant
€1,766 EUR