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Oval|Lab Grown|IGI

3.10ct D FL Oval Lab Grown Diamond

EX • D/FL • IGI LG784646557

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG784646557

Diamond specifications and retailer prices

From $1,366 AUD
$960 USD
As of October 29, 2026
Save $11,195 AUD (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $22,646 AUD at Brilliant Earth · As of October 29, 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 LG784646557 or 784646557. Listed at 15 retailers as of October 29, 2026, with a 819% 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
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784646557
Dimensions11.60 × 8.31 × 4.99 mm
L/W Ratio1.40
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
11.60 mm8.31 mm3.10 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784646557
Side View
Table 59.0%Crown 34.9°Girdle: MED-STKPavilion 38.8°Culet: NoneDepth 60.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $22,646 AUD|Low: $1,366 AUD|High: $22,646 AUD|Avg: $5,869 AUD
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
Retailer 15
October 29, 2026
Retailer 9$1,366 AUD
Retailer 4$1,487 AUD
Retailer 11$1,842 AUD
Retailer 8$1,843 AUD
Retailer 10$2,536 AUD
Retailer 14$2,949 AUD
Retailer 7$3,106 AUD
Retailer 15$3,280 AUD
Retailer 3$3,321 AUD
Retailer 13$3,416 AUD
Retailer 2$5,965 AUD
Retailer 6$7,779 AUD
Retailer 12$12,142 AUD
Retailer 5$12,562 AUD
Brilliant Earth$22,646 AUD

35 data points across 15 retailers

15 retailers$1,366 AUD to $12,562 AUD

A
Cheapest Retailer
-
$1,366 AUD
$960 USD
A
Retailer 2
-
$1,487 AUD
$1,045 USD
View
A
Retailer 3
-
$1,842 AUD
$1,294 USD
View
A
Retailer 4
-
$1,843 AUD
$1,295 USD
View
A
Retailer 5
-
$2,536 AUD
$1,782 USD
View
A
Retailer 6
-
$2,949 AUD
€1,973 EUR
View
A
Retailer 7
-
$3,106 AUD
$2,182 USD
View
Final sale: no returns
A
Retailer 8
-
$3,280 AUD
$2,304 USD
View
A
Retailer 9
-
$3,321 AUD
$2,333 USD
View
A
Retailer 10
-
$3,416 AUD
$2,400 USD
View
B+
Retailer 11
-
$5,965 AUD
£3,300 GBP
View
Retailer 12
-
$7,779 AUD
$5,465 USD
View
Price last confirmed 11 days ago
B
Retailer 13
-
$12,142 AUD
$8,530 USD
View
B
Retailer 14
-
$12,562 AUD
$8,825 USD
View
Most Expensive
Brilliant Earth
21060685Y · Oct 29
$22,646 AUD
$15,910 USD
View
Price under review
14 more retailers have this diamond
Prices start from $1,366 AUDSave up to $11,195 AUD

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
$1,366 AUD