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Oval|Lab Grown|IGI

5.51ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG762545888

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG762545888

Diamond specifications and retailer prices

From $12,622 AUD
$8,866 USD
As of November 1, 2026
Save $36,539 AUD (74%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $49,161 AUD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 5.51ct lab-grown oval diamond

This 5.51ct 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 LG762545888 or 762545888. Listed at 14 retailers as of October 31, 2026, with prices from $12,622 to $49,161, a $36,539 spread on the same certified stone. Taylor and Hart lists it at $49,161. 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

5.51
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762545888
Dimensions14.34 × 10.09 × 6.07 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
14.34 mm10.09 mm5.51 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762545888
Side View
Table 63.0%Crown 32.7°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 60.2%

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: Nov 1
Current: $28,083 AUD|Low: $12,622 AUD|High: $64,472 AUD|Avg: $30,534 AUD|-25.1%
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
Taylor and Hart
November 1, 2026
Retailer 2$12,622 AUD
Retailer 10$16,435 AUD
Retailer 13$16,490 AUD
Retailer 4$17,238 AUD
Retailer 6$18,667 AUD
Retailer 3$22,322 AUD
Retailer 5$26,072 AUD
Retailer 8$26,095 AUD
Retailer 7$26,408 AUD
Retailer 1$28,083 AUD
Retailer 9$31,967 AUD
Retailer 12$43,418 AUD
Retailer 11$44,028 AUD
Taylor and Hart$49,161 AUD

37 data points across 14 retailers

14 retailers$12,622 AUD to $49,161 AUD

A
Cheapest Retailer
-
$12,622 AUD
$8,866 USD
A
Retailer 2
-
$16,435 AUD
$11,545 USD
View
A
Retailer 3
-
$16,490 AUD
$11,583 USD
View
A
Retailer 4
-
$17,238 AUD
HK$94,600 HKD
View
A
Retailer 5
-
$18,667 AUD
£10,325 GBP
View
A
Retailer 6
-
$22,322 AUD
$15,680 USD
View
B+
Retailer 7
-
$26,072 AUD
$18,314 USD
View
B+
Retailer 8
-
$26,095 AUD
$18,330 USD
View
B+
Retailer 9
-
$26,408 AUD
€17,667 EUR
View
B+
Retailer 10
-
$28,083 AUD
£15,533 GBP
View
B+
Retailer 11
-
$31,967 AUD
ZAR 362,762 ZAR
View
B+
Retailer 12
-
$43,418 AUD
$30,499 USD
View
B
Retailer 13
-
$44,028 AUD
$30,927 USD
View
Most Expensive
B
Taylor and Hart
8KPLXXC · Oct 31
$49,161 AUD
$34,533 USD
View
13 more retailers have this diamond
Prices start from $12,622 AUDSave up to $36,539 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
5.51ct Oval
$12,622 AUD