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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 $1,690 AUD
$1,187 USD
As of October 23, 2026
Save $13,313 AUD (89%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $22,646 AUD 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 23
Current: $3,101 AUD|Low: $1,690 AUD|High: $21,146 AUD|Avg: $6,608 AUD|-33.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 26, 2026
Retailer 19$1,690 AUD
Retailer 17$1,838 AUD
Retailer 7$1,892 AUD
Retailer 11$1,960 AUD
Retailer 16$2,164 AUD
Retailer 4$2,757 AUD
Retailer 1$3,101 AUD
Retailer 2$3,282 AUD
Retailer 21$3,331 AUD
Retailer 18$3,754 AUD
Retailer 3$4,054 AUD
Retailer 15$4,976 AUD
Retailer 9$5,228 AUD
Retailer 10$6,034 AUD
Retailer 6$6,117 AUD
Retailer 12$6,958 AUD
Retailer 8$7,376 AUD
Retailer 13$7,673 AUD
Retailer 20$7,779 AUD
Retailer 5$15,003 AUD
Retailer 14$21,146 AUD

32 data points across 21 retailers

21 retailers$1,690 AUD to $15,003 AUD

A
Cheapest Retailer
-
$1,690 AUD
$1,187 USD
A
Retailer 2
-
$1,838 AUD
$1,291 USD
View
A
Retailer 3
-
$1,960 AUD
$1,377 USD
View
A
Retailer 4
-
$2,164 AUD
$1,520 USD
View
A
Retailer 5
-
$2,757 AUD
$1,937 USD
View
Retailer 6
-
$2,870 AUD
$2,016 USD
View
Price last confirmed 17 days ago
A
Retailer 7
-
$3,101 AUD
£1,715 GBP
View
A
Retailer 8
-
$3,331 AUD
$2,340 USD
View
A
Retailer 9
-
$3,754 AUD
$2,637 USD
View
A
Retailer 10
-
$4,054 AUD
$2,848 USD
View
B+
Retailer 11
-
$4,976 AUD
ZAR 56,474 ZAR
View
B+
Retailer 12
-
$5,228 AUD
£2,892 GBP
View
B+
Retailer 13
-
$6,034 AUD
$4,239 USD
View
B+
Retailer 14
-
$6,117 AUD
$4,297 USD
View
B+
Retailer 15
-
$6,958 AUD
£3,849 GBP
View
B+
Retailer 16
-
$7,376 AUD
$5,182 USD
View
B+
Retailer 17
-
$7,673 AUD
$5,390 USD
View
Retailer 18
-
$7,779 AUD
$5,465 USD
View
Price last confirmed 11 days ago
B
Retailer 19
-
$15,003 AUD
$10,540 USD
View
Retailer 20
-
$21,146 AUD
$14,856 USD
View
Price last confirmed 8 days ago
Most Expensive
Brilliant Earth
21805140A · Oct 26
$22,646 AUD
$15,910 USD
View
Price under review
20 more retailers have this diamond
Prices start from $1,690 AUDSave up to $13,313 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
$1,690 AUD