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Radiant|Lab Grown|IGI

3.66ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG706544543

Certificate IGI LG706544543

Diamond specifications and retailer prices

From $3,241 USD
Save $16,669 USD (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $19,910 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 LG706544543 or 706544543. Listed at 19 retailers, with prices from $3,241 to $19,910 at Do Amore Diamonds, a $16,669 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 angle41.8°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG706544543
Dimensions10.96 × 7.72 × 5.04 mm
L/W Ratio1.42
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
10.96 mm7.72 mm3.66 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG706544543
Side View
Table 66.0%Crown 41.8°Girdle: MED-STKPavilion 34.7°Culet: NoneDepth 65.3%

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: Oct 1
Current: $19,910 USD|Low: $2,003 USD|High: $21,690 USD|Avg: $8,543 USD|-8.2%
Do Amore Diamonds
Retailer 2
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Retailer 20
October 1, 2026
Retailer 11$2,003 USD
Retailer 4$3,241 USD
Retailer 6$3,416 USD
Retailer 20$3,446 USD
Retailer 8$3,515 USD
Retailer 13$5,032 USD
Retailer 14$5,033 USD
Retailer 2$5,219 USD
Retailer 5$6,416 USD
Retailer 16$8,406 USD
Retailer 15$8,447 USD
Retailer 3$9,100 USD
Retailer 17$9,506 USD
Retailer 9$9,694 USD
Retailer 7$10,619 USD
Retailer 18$12,513 USD
Retailer 10$12,953 USD
Retailer 12$16,470 USD
Retailer 19$18,555 USD
Do Amore Diamonds$19,910 USD

39 data points across 20 retailers

19 retailers$3,241 USD to $19,910 USD

A
Cheapest Retailer
-
$3,241 USD
A
Retailer 2
-
$3,416 USD
View
A
Retailer 3
-
$3,446 USD
View
A
Retailer 4
-
$3,515 USD
View
B+
Retailer 5
-
$5,033 USD
View
A
Retailer 6
-
$5,043 USD
£3,971 GBP
View
B+
Retailer 7
-
$5,219 USD
View
B+
Retailer 8
-
$6,416 USD
£5,052 GBP
View
B
Retailer 9
-
$8,406 USD
A$12,932 AUD
View
B
Retailer 10
-
$8,447 USD
ZAR 136,458 ZAR
View
B
Retailer 11
-
$9,100 USD
View
B+
Retailer 12
-
$9,506 USD
£7,485 GBP
View
B
Retailer 13
-
$9,694 USD
View
B
Retailer 14
-
$10,619 USD
View
B
Retailer 15
-
$12,513 USD
View
B
Retailer 16
-
$12,953 USD
View
B
Retailer 17
-
$16,470 USD
View
B
Retailer 18
-
$18,555 USD
View
Most Expensive
B
Do Amore Diamonds
27-6C13B8785 · Sep 30
$19,910 USD
View
18 more retailers have this diamond
Prices start from $3,241 USDSave up to $16,669 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
$3,241 USD