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Round|Lab Grown|GIA

4.20ct D IF Round Lab Grown Diamond

EX • D/IF • GIA 2516547474

Certificate GIA 2516547474

Diamond specifications and retailer prices

From $6,365 SGD
$4,966 USD
As of October 28, 2026
Save $34,028 SGD (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $50,140 SGD at Zales · As of October 28, 2026
View at Zales

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 GIA 2516547474. Listed at 20 retailers as of October 28, 2026, with a 535% 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

4.20
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginLab Grown
Grading LabGIA
CertificateGIA 2516547474
Dimensions10.28 × 10.32 × 6.43 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
10.28 mm10.32 mm4.20 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2516547474
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.4%

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 28
Current: $17,559 SGD|Low: $6,365 SGD|High: $50,140 SGD|Avg: $21,640 SGD|+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
Retailer 14
Zales
October 29, 2026
Retailer 3$6,365 SGD
Retailer 14$7,025 SGD
Retailer 12$7,793 SGD
Retailer 2$11,238 SGD
Retailer 10$12,586 SGD
Retailer 9$13,494 SGD
Retailer 1$17,559 SGD
Retailer 11$18,977 SGD
Retailer 7$22,862 SGD
Retailer 8$23,660 SGD
Retailer 6$30,136 SGD
Retailer 13$30,222 SGD
Retailer 5$40,393 SGD
Retailer 4$46,116 SGD
Zales$50,140 SGD

25 data points across 15 retailers

20 retailers$6,365 SGD to $40,393 SGD

A
Cheapest Retailer
-
$6,365 SGD
$4,966 USD
A
Retailer 2
-
$6,703 SGD
$5,230 USD
View
A
Retailer 3
-
$7,025 SGD
$5,481 USD
View
A
Retailer 4
-
$7,776 SGD
$6,067 USD
View
A
Retailer 5
-
$7,776 SGD
$6,067 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$7,793 SGD
$6,080 USD
View
B+
Retailer 7
-
$10,190 SGD
$7,950 USD
View
B+
Retailer 8
-
$11,238 SGD
$8,768 USD
View
B+
Retailer 9
-
$12,586 SGD
$9,820 USD
View
B+
Retailer 10
-
$13,494 SGD
€10,027 EUR
View
B+
Retailer 11
-
$17,559 SGD
£10,787 GBP
View
B+
Retailer 12
-
$18,977 SGD
A$22,779 AUD
View
B
Retailer 13
-
$21,416 SGD
$16,709 USD
View
B+
Retailer 14
-
$22,862 SGD
$17,837 USD
View
B
Retailer 15
-
$23,660 SGD
$18,460 USD
View
Price under review
B
Retailer 16
-
$30,136 SGD
$23,513 USD
View
B
Retailer 17
-
$30,222 SGD
$23,580 USD
View
B
Retailer 18
-
$40,393 SGD
$31,515 USD
View
B
Retailer 19
-
$46,116 SGD
$35,980 USD
View
Price under review
Most Expensive
B
Zales
523340548 · Oct 28
$50,140 SGD
$39,120 USD
View
Price under review
19 more retailers have this diamond
Prices start from $6,365 SGDSave up to $34,028 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
$6,365 SGD