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Round|Lab Grown|IGI

3.77ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG608364634

Certificate IGI LG608364634

Diamond specifications and retailer prices

From $1,365 USD
Save $9,175 USD (87%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $10,540 USD at Brilliant Earth
View at Brilliant Earth

About this 3.77ct lab-grown round diamond

This 3.77ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG608364634 or 608364634. Listed at 23 retailers, with prices from $1,365 to $10,540 at Brilliant Earth, a $9,175 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

3.77
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG608364634
Dimensions9.95 × 9.93 × 6.17 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS 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
9.95 mm9.93 mm3.77 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG608364634
Side View
Table 57.0%Crown 34.9°Girdle: MediumPavilion 41°Culet: NoneDepth 62.0%

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 28
Current: $10,540 USD|Low: $1,091 USD|High: $12,040 USD|Avg: $3,476 USD|-12.5%
Brilliant Earth
Retailer 2
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Retailer 20
October 1, 2026
Retailer 7$1,365 USD
Retailer 3$1,485 USD
Retailer 6$1,529 USD
Retailer 8$1,562 USD
Retailer 9$1,584 USD
Retailer 20$1,911 USD
Retailer 13$1,949 USD
Retailer 16$2,235 USD
Retailer 15$2,375 USD
Retailer 19$2,484 USD
Retailer 14$2,595 USD
Retailer 5$2,968 USD
Retailer 11$3,426 USD
Retailer 18$3,580 USD
Retailer 17$3,610 USD
Retailer 10$4,479 USD
Retailer 4$4,688 USD
Retailer 12$4,912 USD
Retailer 2$5,150 USD
Brilliant Earth$10,540 USD

42 data points across 20 retailers

23 retailers$1,365 USD to $10,540 USD

A
Cheapest Retailer
-
$1,365 USD
A
Retailer 2
-
$1,485 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$1,529 USD
View
A
Retailer 4
-
$1,562 USD
View
A
Retailer 5
-
$1,584 USD
View
A
Retailer 6
-
$1,911 USD
View
A
Retailer 7
-
$1,949 USD
£1,535 GBP
View
A
Retailer 8
-
$2,240 USD
£1,764 GBP
View
A
Retailer 9
-
$2,375 USD
View
A
Retailer 10
-
$2,484 USD
€2,366 EUR
View
A
Retailer 11
-
$2,595 USD
View
A
Retailer 12
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$2,952 USD
View
A
Retailer 13
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$2,968 USD
View
A
Retailer 14
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$3,426 USD
View
A
Retailer 15
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$3,580 USD
A$5,508 AUD
View
A
Retailer 16
-
$3,610 USD
ZAR 58,325 ZAR
View
B+
Retailer 17
-
$4,479 USD
View
B+
Retailer 18
-
$4,612 USD
View
B+
Retailer 19
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$4,688 USD
View
B+
Retailer 20
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$4,912 USD
View
B+
Retailer 21
-
$5,150 USD
£4,055 GBP
View
B+
Retailer 22
-
$5,567 USD
View
Most Expensive
B
Brilliant Earth
10022070A · Oct 1
$10,540 USD
View
22 more retailers have this diamond
Prices start from $1,365 USDSave up to $9,175 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
3.77ct Round
$1,365 USD