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Round|Lab Grown|GIA

4.20ct D IF Round Lab Grown Diamond

EX • D/IF • GIA 3515707720

Certificate GIA 3515707720

Diamond specifications and retailer prices

From $6,080 SGD
$4,744 USD
As of October 29, 2026
Save $36,523 SGD (86%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $42,604 SGD at Do Amore Diamonds · As of October 28, 2026
View at Do Amore Diamonds

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 3515707720. Listed at 15 retailers as of October 28, 2026, with prices from $6,080 to $42,604, a $36,523 spread on the same certified stone. Do Amore Diamonds lists it at $42,604. 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°
Pavilion angle40.8°
OriginLab Grown
Grading LabGIA
CertificateGIA 3515707720
Dimensions10.38 × 10.41 × 6.35 mm
L/W Ratio1.00
Top View
10.38 mm10.41 mm4.20 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3515707720
Side View
Table 57.0%Crown 34°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 61.1%

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 29
Current: $42,604 SGD|Low: $4,954 SGD|High: $42,783 SGD|Avg: $15,451 SGD
Do Amore Diamonds
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
October 29, 2026
Retailer 2$6,080 SGD
Retailer 10$6,489 SGD
Retailer 11$7,021 SGD
Retailer 12$7,870 SGD
Retailer 3$7,908 SGD
Retailer 14$9,122 SGD
Retailer 15$9,412 SGD
Retailer 13$11,105 SGD
Retailer 6$11,574 SGD
Retailer 8$13,494 SGD
Retailer 7$15,107 SGD
Retailer 9$16,154 SGD
Retailer 5$18,001 SGD
Retailer 4$30,222 SGD
Do Amore Diamonds$42,604 SGD

34 data points across 15 retailers

15 retailers$6,080 SGD to $42,604 SGD

A
Cheapest Retailer
-
$6,080 SGD
$4,744 USD
A
Retailer 2
-
$6,489 SGD
$5,063 USD
View
A
Retailer 3
-
$7,021 SGD
$5,478 USD
View
A
Retailer 4
-
$7,870 SGD
$6,140 USD
View
Final sale: no returns
A
Retailer 5
-
$7,908 SGD
$6,170 USD
View
B+
Retailer 6
-
$9,122 SGD
$7,117 USD
View
B+
Retailer 7
-
$9,412 SGD
$7,343 USD
View
B+
Retailer 8
-
$11,105 SGD
$8,664 USD
View
B+
Retailer 9
-
$11,574 SGD
$9,030 USD
View
B+
Retailer 10
-
$13,494 SGD
€10,027 EUR
View
B+
Retailer 11
-
$15,107 SGD
$11,787 USD
View
B+
Retailer 12
-
$16,154 SGD
£9,924 GBP
View
B+
Retailer 13
-
$18,001 SGD
$14,045 USD
View
B
Retailer 14
-
$30,222 SGD
$23,580 USD
View
Most Expensive
B
Do Amore Diamonds
27-583E6BE5B · Oct 28
$42,604 SGD
$33,240 USD
View
14 more retailers have this diamond
Prices start from $6,080 SGDSave up to $36,523 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
$6,080 SGD