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Round|Lab Grown|IGI

4.66ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG780663281

Certificate IGI LG780663281

Diamond specifications and retailer prices

From $3,613 USD
Save $24,947 USD (87%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $28,560 USD at Brilliant Earth
View at Brilliant Earth

About this 4.66ct lab-grown round diamond

This 4.66ct lab-grown round 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 LG780663281 or 780663281. Listed at 14 retailers, with prices from $3,613 to $28,560 at Brilliant Earth, a $24,947 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

4.66
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780663281
Dimensions10.67 × 10.72 × 6.64 mm
L/W Ratio1.00
Girdle conditionFaceted
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
10.67 mm10.72 mm4.66 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780663281
Side View
Table 57.0%Crown 35.5°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.1%

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: $28,560 USD|Low: $3,613 USD|High: $28,610 USD|Avg: $10,962 USD|-0.2%
Brilliant Earth
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
October 1, 2026
Retailer 14$3,613 USD
Retailer 10$4,649 USD
Retailer 5$4,804 USD
Retailer 9$4,941 USD
Retailer 11$5,262 USD
Retailer 2$6,267 USD
Retailer 12$8,266 USD
Retailer 13$9,753 USD
Retailer 7$10,147 USD
Retailer 3$10,457 USD
Retailer 8$12,820 USD
Retailer 6$13,893 USD
Retailer 4$20,179 USD
Brilliant Earth$28,560 USD

35 data points across 14 retailers

14 retailers$3,613 USD to $28,560 USD

A
Cheapest Retailer
-
$3,613 USD
A
Retailer 2
-
$4,649 USD
View
A
Retailer 3
-
$4,804 USD
View
A
Retailer 4
-
$4,941 USD
HK$38,600 HKD
View
A
Retailer 5
-
$5,274 USD
£4,153 GBP
View
A
Retailer 6
-
$6,267 USD
€5,969 EUR
View
B+
Retailer 7
-
$8,266 USD
ZAR 133,535 ZAR
View
B+
Retailer 8
-
$9,753 USD
View
B+
Retailer 9
-
$10,147 USD
£7,990 GBP
View
B+
Retailer 10
-
$10,457 USD
View
B+
Retailer 11
-
$12,820 USD
A$19,723 AUD
View
B
Retailer 12
-
$13,893 USD
View
B
Retailer 13
-
$20,179 USD
View
Price last confirmed 19 days ago
Most Expensive
B
Brilliant Earth
21476651Y · Sep 29
$28,560 USD
View
13 more retailers have this diamond
Prices start from $3,613 USDSave up to $24,947 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
4.66ct Round
$3,613 USD