Radiant|Lab Grown|IGI

3.66ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG768631265

Certificate IGI LG768631265

Diamond specifications and retailer prices

From $2,860 USD
Save $14,000 USD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $16,860 USD at Do Amore Diamonds
View at Do Amore Diamonds

About this 3.66ct lab-grown radiant diamond

This 3.66ct lab-grown radiant 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 LG768631265 or 768631265. Listed at 13 retailers, with prices from $2,860 to $16,860 at Do Amore Diamonds, a $14,000 spread on the same certified stone. 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

3.66
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.7°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768631265
Dimensions10.77 × 7.65 × 5.00 mm
L/W Ratio1.41
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
10.77 mm7.65 mm3.66 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768631265
Side View
Table 64.0%Crown 44.7°Girdle: ThickPavilion 34.3°Culet: NoneDepth 65.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 30
Current: $16,860 USD|Low: $2,206 USD|High: $18,970 USD|Avg: $8,137 USD|-11.1%
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 17
October 1, 2026
Retailer 16$2,860 USD
Retailer 14$3,005 USD
Retailer 5$3,088 USD
Retailer 4$3,387 USD
Retailer 3$3,784 USD
Retailer 10$4,454 USD
Retailer 15$4,889 USD
Retailer 8$6,263 USD
Retailer 11$7,092 USD
Retailer 13$7,763 USD
Retailer 12$8,500 USD
Retailer 2$9,009 USD
Retailer 7$11,343 USD
Retailer 17$11,860 USD
Retailer 6$12,345 USD
Retailer 9$16,007 USD
Do Amore Diamonds$16,860 USD

18 data points across 17 retailers

13 retailers$2,860 USD to $16,860 USD

A
Cheapest Retailer
-
$2,860 USD
A
Retailer 2
-
$3,005 USD
View
A
Retailer 3
-
$3,088 USD
View
A
Retailer 4
-
$3,387 USD
View
A
Retailer 5
-
$3,784 USD
View
A
Retailer 6
-
$4,454 USD
View
A
Retailer 7
-
$4,889 USD
€4,656 EUR
View
B+
Retailer 8
-
$7,092 USD
A$10,910 AUD
View
B+
Retailer 9
-
$7,763 USD
View
B+
Retailer 10
-
$8,500 USD
£6,693 GBP
View
B+
Retailer 11
-
$9,009 USD
A$13,860 AUD
View
B
Retailer 12
-
$11,860 USD
View
Most Expensive
B
Do Amore Diamonds
27-128EAA9C2 · Sep 30
$16,860 USD
View
12 more retailers have this diamond
Prices start from $2,860 USDSave up to $14,000 USD

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.

A
3.66ct Radiant
$2,860 USD