Oval|Lab Grown|GCAL

4.21ct D IF Oval Lab Grown Diamond

ID • D/IF • GCAL 360846217

Shape and cutting style on the report: Oval brilliant

Certificate GCAL 360846217

Diamond specifications and retailer prices

From $11,293 AUD
$7,933 USD
As of October 31, 2026
Save $17,211 AUD (60%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $48,076 AUD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 4.21ct lab-grown oval diamond

This 4.21ct lab-grown oval sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GCAL 360846217. Listed at 14 retailers as of October 30, 2026, with a 152% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

4.21
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle40.2°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 360846217
Dimensions13.10 × 9.16 × 5.64 mm
L/W Ratio1.43
Culet sizeNone
Top View
13.10 mm9.16 mm4.21 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL 360846217
Side View
Table 58.0%Crown 32.4°Girdle: Slightly ThickPavilion 40.2°Culet: NoneDepth 61.6%

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: $17,556 AUD|Low: $11,293 AUD|High: $74,696 AUD|Avg: $22,993 AUD|+0.0%
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 13$11,293 AUD
Retailer 10$11,970 AUD
Retailer 9$12,448 AUD
Retailer 4$13,405 AUD
Retailer 3$13,884 AUD
Retailer 11$13,884 AUD
Retailer 12$15,244 AUD
Retailer 8$15,445 AUD
Retailer 5$17,236 AUD
Retailer 1$17,556 AUD
Retailer 7$27,503 AUD
Retailer 6$42,509 AUD
Taylor and Hart$48,076 AUD
Retailer 2$74,696 AUD

45 data points across 14 retailers

14 retailers$11,293 AUD to $28,505 AUD

B+
Cheapest Retailer
-
$11,293 AUD
$7,933 USD
B+
Retailer 2
-
$11,970 AUD
$8,408 USD
View
B+
Retailer 3
-
$12,448 AUD
$8,744 USD
View
B+
Retailer 4
-
$13,405 AUD
$9,416 USD
View
Final sale: no returns
B+
Retailer 5
-
$13,884 AUD
$9,753 USD
View
Retailer 6
-
$13,884 AUD
$9,753 USD
View
Price last confirmed 15 days ago
B+
Retailer 7
-
$15,445 AUD
$10,849 USD
View
B+
Retailer 8
-
$17,236 AUD
$12,107 USD
View
B+
Retailer 9
-
$17,556 AUD
£9,711 GBP
View
B
Retailer 10
-
$27,503 AUD
£15,212 GBP
View
B
Retailer 11
-
$28,505 AUD
$20,023 USD
View
Retailer 12
-
$42,509 AUD
$29,860 USD
View
Price under review
Most Expensive
Taylor and Hart
RJDOXJL · Oct 31
$48,076 AUD
$33,770 USD
View
Price under review
12 more retailers have this diamond
Prices start from $11,293 AUDSave up to $17,211 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+
4.21ct Oval
$11,293 AUD