Round|Lab Grown|GIA

5.23ct D FL Round Lab Grown Diamond

EX • D/FL • GIA 2518429378

Certificate GIA 2518429378

Diamond specifications and retailer prices

From $38,463 AUD
$27,018 USD
As of October 31, 2026
Save $29,392 AUD (43%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $67,855 AUD at MOH London · As of October 29, 2026
View at MOH London

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 GIA 2518429378. Listed at 10 retailers as of October 29, 2026, with prices from $38,463 to $67,855, a $29,392 spread on the same certified stone. MOH London lists it at $67,855. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabGIA
CertificateGIA 2518429378
Dimensions11.14 × 11.07 × 6.87 mm
L/W Ratio1.01
Culet sizeNone
Top View
11.14 mm11.07 mm5.23 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2518429378
Side View
Table 57.0%Crown 35.5°Girdle: MediumPavilion 40.6°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $67,855 AUD|Low: $24,721 AUD|High: $147,419 AUD|Avg: $66,748 AUD|-6.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 3$24,721 AUD
Retailer 10$38,463 AUD
Retailer 7$38,683 AUD
Retailer 6$45,680 AUD
Retailer 2$53,324 AUD
Retailer 5$53,926 AUD
Retailer 9$59,589 AUD
MOH London$67,855 AUD
Retailer 4$89,661 AUD
Retailer 8$112,515 AUD
Retailer 11$147,419 AUD

29 data points across 11 retailers

10 retailers$38,463 AUD to $67,855 AUD

B+
Cheapest Retailer
-
$38,463 AUD
$27,018 USD
B+
Retailer 2
-
$38,683 AUD
$27,173 USD
View
B+
Retailer 3
-
$45,680 AUD
$32,088 USD
View
B+
Retailer 4
-
$53,324 AUD
£29,494 GBP
View
B+
Retailer 5
-
$53,926 AUD
$37,880 USD
View
B+
Retailer 6
-
$59,589 AUD
$41,858 USD
View
Most Expensive
B
MOH London
2518429378 · Oct 29
$67,855 AUD
£37,531 GBP
View
6 more retailers have this diamond
Prices start from $38,463 AUDSave up to $29,392 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.

B+
5.23ct Round
$38,463 AUD