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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 $47,938 NZD
$27,018 USD
As of October 31, 2026
Save $36,633 NZD (43%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $84,571 NZD 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 $47,938 to $84,571, a $36,633 spread on the same certified stone. MOH London lists it at $84,571. 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: $84,571 NZD|Low: $30,810 NZD|High: $183,736 NZD|Avg: $83,191 NZD|-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$30,810 NZD
Retailer 10$47,938 NZD
Retailer 7$48,213 NZD
Retailer 6$56,934 NZD
Retailer 2$66,460 NZD
Retailer 5$67,210 NZD
Retailer 9$74,269 NZD
MOH London$84,571 NZD
Retailer 4$111,749 NZD
Retailer 8$140,233 NZD
Retailer 11$183,736 NZD

29 data points across 11 retailers

10 retailers$47,938 NZD to $84,571 NZD

B+
Cheapest Retailer
-
$47,938 NZD
$27,018 USD
B+
Retailer 2
-
$48,213 NZD
$27,173 USD
View
B+
Retailer 3
-
$56,934 NZD
$32,088 USD
View
B+
Retailer 4
-
$66,460 NZD
£29,494 GBP
View
B+
Retailer 5
-
$67,210 NZD
$37,880 USD
View
B+
Retailer 6
-
$74,269 NZD
$41,858 USD
View
Most Expensive
B
MOH London
2518429378 · Oct 29
$84,571 NZD
£37,531 GBP
View
6 more retailers have this diamond
Prices start from $47,938 NZDSave up to $36,633 NZD

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
$47,938 NZD