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Oval|Lab Grown|GCAL

4.21ct D IF Oval Lab Grown Diamond

ID • D/IF • GCAL 360846217

Certificate GCAL 360846217

Diamond specifications and retailer prices

From $7,985 USD
Save $25,983 USD (76%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $33,968 USD at Taylor and Hart
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 15 retailers, with prices from $7,985 to $33,968 at Taylor and Hart, a $25,983 spread on the same certified stone. 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
Color
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 →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 29
Current: $19,448 USD|Low: $6,771 USD|High: $52,830 USD|Avg: $20,027 USD|+0.5%
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
October 1, 2026
Retailer 3$7,985 USD
Retailer 13$8,466 USD
Retailer 12$8,804 USD
Retailer 9$9,416 USD
Retailer 2$9,685 USD
Retailer 7$9,753 USD
Retailer 5$10,778 USD
Retailer 4$11,677 USD
Retailer 10$12,107 USD
Retailer 11$12,554 USD
Retailer 1$19,448 USD
Retailer 8$29,860 USD
Taylor and Hart$33,968 USD
Retailer 6$52,470 USD

37 data points across 14 retailers

15 retailers$7,985 USD to $33,968 USD

A
Cheapest Retailer
-
$7,985 USD
B+
Retailer 2
-
$8,466 USD
View
B+
Retailer 3
-
$8,804 USD
View
B+
Retailer 4
-
$9,416 USD
View
B+
Retailer 5
-
$9,685 USD
View
B+
Retailer 6
-
$9,753 USD
View
B+
Retailer 7
-
$10,778 USD
View
B+
Retailer 8
-
$11,677 USD
View
B+
Retailer 9
-
$12,107 USD
View
B+
Retailer 10
-
$12,619 USD
£9,936 GBP
View
B
Retailer 11
-
$19,448 USD
£15,313 GBP
View
B
Retailer 12
-
$20,023 USD
View
B
Retailer 13
-
$29,860 USD
View
Most Expensive
B
Taylor and Hart
RJDOXJL · Sep 30
$33,968 USD
View
13 more retailers have this diamond
Prices start from $7,985 USDSave up to $25,983 USD

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.

A
4.21ct Oval
$7,985 USD