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Round|Lab Grown|GIA

5.18ct D FL Round Lab Grown Diamond

EX • D/FL • GIA 2537098762

Certificate GIA 2537098762

Diamond specifications and retailer prices

From $14,633 AUD
$10,279 USD
As of November 1, 2026
Save $36,824 AUD (72%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $51,458 AUD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 5.18ct lab-grown round diamond

This 5.18ct 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 2537098762. Listed at 9 retailers as of October 31, 2026, with prices from $14,633 to $51,458, a $36,824 spread on the same certified stone. Taylor and Hart lists it at $51,458. 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

5.18
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginLab Grown
Grading LabGIA
CertificateGIA 2537098762
Dimensions11.11 × 11.05 × 6.87 mm
L/W Ratio1.01
Top View
11.11 mm11.05 mm5.18 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2537098762
Side View
Table 57.0%Crown 35.5°Girdle: MediumPavilion 41°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
A
Excellent
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: Nov 1
Current: $19,625 AUD|Low: $14,162 AUD|High: $84,214 AUD|Avg: $32,571 AUD|+1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Taylor and Hart
November 1, 2026
Retailer 4$14,633 AUD
Retailer 6$16,602 AUD
Retailer 5$19,008 AUD
Retailer 1$19,625 AUD
Retailer 3$26,910 AUD
Retailer 2$27,836 AUD
Taylor and Hart$51,458 AUD
Retailer 7$84,214 AUD

41 data points across 8 retailers

9 retailers$14,633 AUD to $51,458 AUD

A
Cheapest Retailer
-
$14,633 AUD
$10,279 USD
A
Retailer 2
-
$16,602 AUD
$11,662 USD
View
A
Retailer 3
-
$19,008 AUD
$13,352 USD
View
A
Retailer 4
-
$19,625 AUD
£10,855 GBP
View
B+
Retailer 5
-
$26,910 AUD
£14,884 GBP
View
B+
Retailer 6
-
$27,836 AUD
€18,622 EUR
View
B
Retailer 7
-
$48,616 AUD
$34,150 USD
View
Most Expensive
B
Taylor and Hart
OLC5J20 · Oct 31
$51,458 AUD
$36,146 USD
View
7 more retailers have this diamond
Prices start from $14,633 AUDSave up to $36,824 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
5.18ct Round
$14,633 AUD