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Round|Lab Grown|IGI

3.73ct F FL Round Lab Grown Diamond

ID • F/FL • IGI LG770636866

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770636866

Diamond specifications and retailer prices

From $1,396 USD
As of November 1, 2026
Save $8,464 USD (86%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $9,860 USD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 3.73ct lab-grown round diamond

This 3.73ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG770636866 or 770636866. Listed at 19 retailers as of November 1, 2026, with prices from $1,396 to $9,860, a $8,464 spread on the same certified stone. Brilliant Earth lists it at $9,860. 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

3.73
Carat
F
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770636866
Dimensions9.99 × 10.03 × 6.08 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
9.99 mm10.03 mm3.73 ctF / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770636866
Side View
Table 57.0%Crown 34.7°Girdle: MediumPavilion 40.5°Culet: NoneDepth 60.8%

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: Nov 1
Current: $9,860 USD|Low: $1,396 USD|High: $14,140 USD|Avg: $4,454 USD|-30.3%
Brilliant Earth
Retailer 2
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Retailer 21
November 2, 2026
Retailer 19$1,396 USD
Retailer 17$1,564 USD
Retailer 21$1,869 USD
Retailer 16$2,276 USD
Retailer 3$2,315 USD
Retailer 12$2,362 USD
Retailer 9$2,519 USD
Retailer 11$2,519 USD
Retailer 15$2,592 USD
Retailer 14$2,660 USD
Retailer 13$2,939 USD
Retailer 2$3,082 USD
Retailer 6$3,340 USD
Retailer 10$3,462 USD
Retailer 4$4,189 USD
Retailer 5$5,415 USD
Retailer 18$5,695 USD
Retailer 8$5,829 USD
Retailer 20$6,255 USD
Retailer 7$6,915 USD
Brilliant Earth$9,860 USD

37 data points across 21 retailers

19 retailers$1,396 USD to $9,860 USD

A
Cheapest Retailer
-
$1,396 USD
A
Retailer 2
-
$1,564 USD
View
Final sale: no returns
A
Retailer 3
-
$1,869 USD
HK$14,600 HKD
View
A
Retailer 4
-
$2,276 USD
£1,792 GBP
View
A
Retailer 5
-
$2,315 USD
View
Retailer 6
-
$2,362 USD
View
Price last confirmed 20 days ago
Retailer 7
-
$2,519 USD
View
Price last confirmed 23 days ago
Retailer 8
-
$2,519 USD
View
Price last confirmed 22 days ago
B+
Retailer 9
-
$2,592 USD
€2,469 EUR
View
B+
Retailer 10
-
$2,939 USD
View
B+
Retailer 11
-
$3,082 USD
View
Retailer 12
-
$3,462 USD
View
Price last confirmed 23 days ago
B+
Retailer 13
-
$4,189 USD
View
B+
Retailer 14
-
$5,415 USD
SGD 7,317 SGD
View
B
Retailer 15
-
$5,695 USD
View
Retailer 16
-
$5,829 USD
ZAR 94,160 ZAR
View
Price last confirmed 23 days ago
B
Retailer 17
-
$6,255 USD
View
Retailer 18
-
$6,915 USD
£5,445 GBP
View
Price last confirmed 22 days ago
Most Expensive
B
Brilliant Earth
19558575A · Nov 2
$9,860 USD
View
18 more retailers have this diamond
Prices start from $1,396 USDSave up to $8,464 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. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
3.73ct Round
$1,396 USD