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Oval|Lab Grown|IGI

3.10ct D FL Oval Lab Grown Diamond

EX • D/FL • IGI LG780667828

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG780667828

Diamond specifications and retailer prices

From $1,187 USD
As of October 23, 2026
Save $9,353 USD (89%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $15,910 USD at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 3.1ct lab-grown oval diamond

This 3.1ct lab-grown oval sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780667828 or 780667828. Listed at 21 retailers as of October 23, 2026, with a 788% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.10
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780667828
Dimensions11.85 × 8.20 × 5.14 mm
L/W Ratio1.45
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
11.85 mm8.20 mm3.10 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780667828
Side View
Table 58.0%Crown 35.9°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
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 23
Current: $2,178 USD|Low: $1,187 USD|High: $14,856 USD|Avg: $4,642 USD|-33.6%
Retailer 1
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Retailer 21
October 26, 2026
Retailer 19$1,187 USD
Retailer 17$1,291 USD
Retailer 7$1,329 USD
Retailer 11$1,377 USD
Retailer 16$1,520 USD
Retailer 4$1,937 USD
Retailer 1$2,178 USD
Retailer 2$2,306 USD
Retailer 21$2,340 USD
Retailer 18$2,637 USD
Retailer 3$2,848 USD
Retailer 15$3,496 USD
Retailer 9$3,673 USD
Retailer 10$4,239 USD
Retailer 6$4,297 USD
Retailer 12$4,888 USD
Retailer 8$5,182 USD
Retailer 13$5,390 USD
Retailer 20$5,465 USD
Retailer 5$10,540 USD
Retailer 14$14,856 USD

32 data points across 21 retailers

21 retailers$1,187 USD to $10,540 USD

A
Cheapest Retailer
-
$1,187 USD
A
Retailer 2
-
$1,291 USD
View
A
Retailer 3
-
$1,377 USD
View
A
Retailer 4
-
$1,520 USD
View
A
Retailer 5
-
$1,937 USD
View
A
Retailer 6
-
$2,016 USD
View
Price last confirmed 17 days ago
A
Retailer 7
-
$2,178 USD
£1,715 GBP
View
A
Retailer 8
-
$2,340 USD
View
A
Retailer 9
-
$2,637 USD
View
A
Retailer 10
-
$2,848 USD
View
B+
Retailer 11
-
$3,496 USD
ZAR 56,474 ZAR
View
B+
Retailer 12
-
$3,673 USD
£2,892 GBP
View
B+
Retailer 13
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$4,239 USD
View
B+
Retailer 14
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$4,297 USD
View
B+
Retailer 15
-
$4,888 USD
£3,849 GBP
View
B+
Retailer 16
-
$5,182 USD
View
B+
Retailer 17
-
$5,390 USD
View
B+
Retailer 18
-
$5,465 USD
View
Price last confirmed 10 days ago
B
Retailer 19
-
$10,540 USD
View
B
Retailer 20
-
$14,856 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
21805140A · Oct 26
$15,910 USD
View
Price under review
20 more retailers have this diamond
Prices start from $1,187 USDSave up to $9,353 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
3.10ct Oval
$1,187 USD