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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 $10,142 SGD
$7,933 USD
As of October 31, 2026
Save $15,456 SGD (60%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $43,172 SGD 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: $24,566 SGD|Low: $10,142 SGD|High: $67,078 SGD|Avg: $20,647 SGD|-0.7%
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$10,142 SGD
Retailer 10$10,749 SGD
Retailer 9$11,178 SGD
Retailer 4$12,037 SGD
Retailer 3$12,468 SGD
Retailer 11$12,468 SGD
Retailer 12$13,689 SGD
Retailer 8$13,869 SGD
Retailer 5$15,478 SGD
Retailer 6$15,766 SGD
Retailer 1$24,566 SGD
Retailer 7$38,173 SGD
Taylor and Hart$43,172 SGD
Retailer 2$67,078 SGD

45 data points across 14 retailers

14 retailers$10,142 SGD to $25,597 SGD

B+
Cheapest Retailer
-
$10,142 SGD
$7,933 USD
B+
Retailer 2
-
$10,749 SGD
$8,408 USD
View
B+
Retailer 3
-
$11,178 SGD
$8,744 USD
View
B+
Retailer 4
-
$12,037 SGD
$9,416 USD
View
Final sale: no returns
B+
Retailer 5
-
$12,468 SGD
$9,753 USD
View
Retailer 6
-
$12,468 SGD
$9,753 USD
View
Price last confirmed 16 days ago
B+
Retailer 7
-
$13,869 SGD
$10,849 USD
View
B+
Retailer 8
-
$15,478 SGD
$12,107 USD
View
B+
Retailer 9
-
$15,766 SGD
£9,711 GBP
View
B
Retailer 10
-
$24,566 SGD
£15,131 GBP
View
B
Retailer 11
-
$25,597 SGD
$20,023 USD
View
Retailer 12
-
$38,173 SGD
$29,860 USD
View
Price under review
Most Expensive
Taylor and Hart
RJDOXJL · Oct 31
$43,172 SGD
$33,770 USD
View
Price under review
12 more retailers have this diamond
Prices start from $10,142 SGDSave up to $15,456 SGD

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
$10,142 SGD