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Oval|Lab Grown|IGI

5.31ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG780662262

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG780662262

Diamond specifications and retailer prices

From $11,197 AUD
$7,865 USD
As of October 29, 2026
Save $58,674 AUD (84%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $69,870 AUD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 5.31ct lab-grown oval diamond

This 5.31ct lab-grown oval sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780662262 or 780662262. Listed at 16 retailers as of October 29, 2026, with prices from $11,197 to $69,870, a $58,674 spread on the same certified stone. Do Amore Diamonds lists it at $69,870. 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

5.31
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780662262
Dimensions14.11 × 9.96 × 5.87 mm
L/W Ratio1.42
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
14.11 mm9.96 mm5.31 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780662262
Side View
Table 60.0%Crown 33.9°Girdle: STK-THKPavilion 39°Culet: NoneDepth 58.9%

Caratlytics Score

How it works →
A+
Exceptional
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: $69,870 AUD|Low: $11,197 AUD|High: $79,978 AUD|Avg: $24,798 AUD|-3.9%
Do Amore Diamonds
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
Retailer 16
November 1, 2026
Retailer 13$11,197 AUD
Retailer 15$11,417 AUD
Retailer 6$11,644 AUD
Retailer 5$12,270 AUD
Retailer 3$12,891 AUD
Retailer 16$14,447 AUD
Retailer 14$15,036 AUD
Retailer 4$16,122 AUD
Retailer 2$16,193 AUD
Retailer 8$19,147 AUD
Retailer 11$23,190 AUD
Retailer 10$25,287 AUD
Retailer 9$26,100 AUD
Retailer 7$36,166 AUD
Retailer 12$40,800 AUD
Do Amore Diamonds$69,870 AUD

38 data points across 16 retailers

16 retailers$11,197 AUD to $69,870 AUD

A
Cheapest Retailer
-
$11,197 AUD
$7,865 USD
A+
Retailer 2
-
$11,417 AUD
$8,020 USD
View
A
Retailer 3
-
$11,644 AUD
$8,179 USD
View
A
Retailer 4
-
$12,270 AUD
$8,619 USD
View
A
Retailer 5
-
$12,891 AUD
$9,055 USD
View
A
Retailer 6
-
$14,447 AUD
$10,148 USD
View
A
Retailer 7
-
$15,036 AUD
$10,562 USD
View
A
Retailer 8
-
$16,122 AUD
$11,325 USD
View
A
Retailer 9
-
$16,193 AUD
$11,375 USD
View
A
Retailer 10
-
$19,147 AUD
$13,450 USD
View
Final sale: no returns
A
Retailer 11
-
$23,190 AUD
$16,290 USD
View
B+
Retailer 12
-
$25,287 AUD
€16,917 EUR
View
B+
Retailer 13
-
$26,100 AUD
£14,436 GBP
View
B+
Retailer 14
-
$36,166 AUD
$25,405 USD
View
B
Retailer 15
-
$40,800 AUD
$28,660 USD
View
Most Expensive
B
Do Amore Diamonds
27-3EEF74738 · Nov 1
$69,870 AUD
$49,080 USD
View
15 more retailers have this diamond
Prices start from $11,197 AUDSave up to $58,674 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+
5.31ct Oval
$11,197 AUD