Oval|Lab Grown|IGI

3.70ct E FL Oval Lab Grown Diamond

EX • E/FL • IGI LG800634350

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG800634350

Diamond specifications and retailer prices

From $2,270 USD
As of October 27, 2026
Save $6,840 USD (75%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $9,110 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.7ct lab-grown oval diamond

This 3.7ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG800634350 or 800634350. Listed at 23 retailers as of October 27, 2026, with prices from $2,270 to $9,110, a $6,840 spread on the same certified stone. Brilliant Earth lists it at $9,110. 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

3.70
Carat
E
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800634350
Dimensions12.46 × 8.69 × 5.44 mm
L/W Ratio1.43
Girdle conditionFaceted
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
12.46 mm8.69 mm3.70 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800634350
Side View
Table 57.0%Crown 34.7°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.6%

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: Oct 27
Current: $9,110 USD|Low: $2,179 USD|High: $14,560 USD|Avg: $5,255 USD|-37.4%
Brilliant Earth
Retailer 2
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October 30, 2026
Retailer 5$2,270 USD
Retailer 13$2,330 USD
Retailer 4$2,470 USD
Retailer 11$2,542 USD
Retailer 7$2,633 USD
Retailer 10$2,633 USD
Retailer 9$2,763 USD
Retailer 3$2,800 USD
Retailer 19$3,614 USD
Retailer 16$3,620 USD
Retailer 22$3,633 USD
Retailer 21$3,865 USD
Retailer 23$4,157 USD
Retailer 8$4,914 USD
Retailer 12$4,999 USD
Retailer 18$6,115 USD
Retailer 6$6,680 USD
Retailer 2$7,080 USD
Retailer 20$7,183 USD
Retailer 17$7,372 USD
Retailer 14$7,799 USD
Retailer 15$8,811 USD
Brilliant Earth$9,110 USD

38 data points across 23 retailers

23 retailers$2,270 USD to $9,110 USD

A
Cheapest Retailer
-
$2,270 USD
A
Retailer 2
-
$2,330 USD
HK$18,200 HKD
View
A
Retailer 3
-
$2,470 USD
View
A
Retailer 4
-
$2,542 USD
View
Final sale: no returns
Retailer 5
-
$2,633 USD
View
Price last confirmed 19 days ago
A
Retailer 6
-
$2,633 USD
View
A
Retailer 7
-
$2,763 USD
View
A
Retailer 8
-
$2,800 USD
View
A
Retailer 9
-
$3,614 USD
£2,846 GBP
View
B+
Retailer 10
-
$3,620 USD
View
B+
Retailer 11
-
$3,633 USD
View
B+
Retailer 12
-
$3,865 USD
View
B+
Retailer 13
-
$4,914 USD
View
B+
Retailer 14
-
$4,999 USD
£3,936 GBP
View
B+
Retailer 15
-
$6,115 USD
ZAR 98,786 ZAR
View
B
Retailer 16
-
$6,680 USD
View
B
Retailer 17
-
$7,031 USD
View
B
Retailer 18
-
$7,080 USD
View
B+
Retailer 19
-
$7,183 USD
£5,656 GBP
View
B
Retailer 20
-
$7,372 USD
View
B
Retailer 21
-
$7,799 USD
View
B
Retailer 22
-
$8,811 USD
SGD 11,907 SGD
View
Most Expensive
B
Brilliant Earth
20322811A · Oct 30
$9,110 USD
View
22 more retailers have this diamond
Prices start from $2,270 USDSave up to $6,840 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
3.70ct Oval
$2,270 USD