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Round|Lab Grown|IGI

5.23ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG780665776

Shape and cutting style on the report: Round brilliant

Certificate IGI LG780665776

Diamond specifications and retailer prices

From $7,287 AUD
$5,119 USD
As of October 29, 2026
Save $42,852 AUD (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $50,139 AUD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 5.23ct lab-grown round diamond

This 5.23ct lab-grown round 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 LG780665776 or 780665776. Listed at 16 retailers as of October 29, 2026, with prices from $7,287 to $50,139, a $42,852 spread on the same certified stone. Do Amore Diamonds lists it at $50,139. 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

5.23
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780665776
Dimensions11.08 × 11.14 × 6.88 mm
L/W Ratio1.01
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
11.08 mm11.14 mm5.23 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780665776
Side View
Table 56.0%Crown 34.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.0%

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: $50,139 AUD|Low: $7,287 AUD|High: $59,122 AUD|Avg: $17,981 AUD|-15.2%
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
November 1, 2026
Retailer 13$7,287 AUD
Retailer 4$7,636 AUD
Retailer 14$7,705 AUD
Retailer 7$10,095 AUD
Retailer 9$10,599 AUD
Retailer 15$10,599 AUD
Retailer 3$11,077 AUD
Retailer 6$11,209 AUD
Retailer 2$11,837 AUD
Retailer 12$13,062 AUD
Retailer 8$16,239 AUD
Retailer 11$19,089 AUD
Retailer 5$19,563 AUD
Retailer 10$27,490 AUD
Do Amore Diamonds$50,139 AUD

36 data points across 15 retailers

16 retailers$7,287 AUD to $50,139 AUD

A+
Cheapest Retailer
-
$7,287 AUD
$5,119 USD
A
Retailer 2
-
$7,636 AUD
$5,364 USD
View
A
Retailer 3
-
$7,705 AUD
$5,412 USD
View
A
Retailer 4
-
$10,095 AUD
$7,091 USD
View
Final sale: no returns
A
Retailer 5
-
$10,599 AUD
$7,445 USD
View
A
Retailer 6
-
$10,599 AUD
$7,445 USD
View
A
Retailer 7
-
$11,077 AUD
$7,781 USD
View
A
Retailer 8
-
$11,209 AUD
$7,874 USD
View
A
Retailer 9
-
$11,837 AUD
$8,315 USD
View
Retailer 10
-
$12,905 AUD
$9,065 USD
View
Price last confirmed 14 days ago
A
Retailer 11
-
$13,062 AUD
$9,175 USD
View
A
Retailer 12
-
$16,239 AUD
€10,864 EUR
View
A
Retailer 13
-
$19,089 AUD
£10,558 GBP
View
A
Retailer 14
-
$19,563 AUD
$13,742 USD
View
B+
Retailer 15
-
$27,490 AUD
$19,310 USD
View
Most Expensive
B
Do Amore Diamonds
27-BB1C18B0A · Nov 1
$50,139 AUD
$35,220 USD
View
15 more retailers have this diamond
Prices start from $7,287 AUDSave up to $42,852 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+
5.23ct Round
$7,287 AUD