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Round|Lab Grown|GCAL

4.20ct D IF Round Lab Grown Diamond

EX • D/IF • GCAL 361266140

Shape and cutting style on the report: Round brilliant

Certificate GCAL 361266140

Diamond specifications and retailer prices

From $5,346 SGD
$4,171 USD
As of October 30, 2026
Save $36,899 SGD (87%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $42,245 SGD at Kay Jewelers · As of October 30, 2026
View at Kay Jewelers

About this 4.2ct lab-grown round diamond

This 4.2ct lab-grown round 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 361266140. Listed at 17 retailers as of October 30, 2026, with prices from $5,346 to $42,245, a $36,899 spread on the same certified stone. Kay Jewelers lists it at $42,245. 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

4.20
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 361266140
Dimensions10.36 × 10.32 × 6.40 mm
L/W Ratio1.00
Culet sizeNone
Top View
10.36 mm10.32 mm4.20 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL 361266140
Side View
Table 56.0%Crown 34.5°Girdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 61.9%

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: Oct 30
Current: $42,245 SGD|Low: $5,346 SGD|High: $42,245 SGD|Avg: $13,674 SGD|+78.5%
Kay Jewelers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 30, 2026
Retailer 16$5,346 SGD
Retailer 13$5,821 SGD
Retailer 14$6,101 SGD
Retailer 7$6,519 SGD
Retailer 6$6,753 SGD
Retailer 15$6,753 SGD
Retailer 11$8,625 SGD
Retailer 8$8,849 SGD
Retailer 2$9,029 SGD
Retailer 4$9,711 SGD
Retailer 9$15,249 SGD
Retailer 12$17,119 SGD
Retailer 5$26,764 SGD
Retailer 3$40,053 SGD
Kay Jewelers$42,245 SGD
Retailer 10$42,245 SGD

43 data points across 16 retailers

17 retailers$5,346 SGD to $42,245 SGD

A
Cheapest Retailer
-
$5,346 SGD
$4,171 USD
A
Retailer 2
-
$5,821 SGD
$4,542 USD
View
A
Retailer 3
-
$6,101 SGD
$4,760 USD
View
A
Retailer 4
-
$6,519 SGD
$5,086 USD
View
Final sale: no returns
A
Retailer 5
-
$6,753 SGD
$5,269 USD
View
Retailer 6
-
$6,753 SGD
$5,269 USD
View
Price last confirmed 14 days ago
B+
Retailer 7
-
$8,625 SGD
$6,729 USD
View
B+
Retailer 8
-
$8,849 SGD
$6,904 USD
View
B+
Retailer 9
-
$9,029 SGD
£5,547 GBP
View
B+
Retailer 10
-
$12,586 SGD
$9,820 USD
View
B+
Retailer 11
-
$15,249 SGD
£9,368 GBP
View
B+
Retailer 12
-
$17,119 SGD
$13,356 USD
View
B
Retailer 13
-
$21,416 SGD
$16,709 USD
View
B
Retailer 14
-
$26,764 SGD
$20,882 USD
View
B
Retailer 15
-
$40,053 SGD
$31,250 USD
View
B
Retailer 16
-
$42,245 SGD
$32,960 USD
View
Most Expensive
B
Kay Jewelers
259115251 · Oct 30
$42,245 SGD
$32,960 USD
View
16 more retailers have this diamond
Prices start from $5,346 SGDSave up to $36,899 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.

A
4.20ct Round
$5,346 SGD