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Princess|Lab Grown|IGI

4.20ct D FL Princess Lab Grown Diamond

ID • D/FL • IGI LG780662054

Shape and cutting style on the report: Princess cut

Certificate IGI LG780662054

Diamond specifications and retailer prices

From $6,755 SGD
$5,284 USD
As of October 30, 2026
Save $39,728 SGD (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $46,483 SGD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.2ct lab-grown princess diamond

This 4.2ct lab-grown princess sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780662054 or 780662054. Listed at 15 retailers as of October 30, 2026, with prices from $6,755 to $46,483, a $39,728 spread on the same certified stone. Do Amore Diamonds lists it at $46,483. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.1°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780662054
Dimensions9.00 × 8.80 × 6.16 mm
L/W Ratio1.02
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.00 mm8.80 mm4.20 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780662054
Side View
Table 66.0%Crown 42.1°Girdle: MED-STKPavilion 37.3°Culet: NoneDepth 70.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $46,483 SGD|Low: $6,755 SGD|High: $56,326 SGD|Avg: $15,259 SGD|-17.5%
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
November 1, 2026
Retailer 13$6,755 SGD
Retailer 11$7,076 SGD
Retailer 9$7,080 SGD
Retailer 14$7,205 SGD
Retailer 15$7,856 SGD
Retailer 10$9,651 SGD
Retailer 5$10,268 SGD
Retailer 7$10,652 SGD
Retailer 6$11,959 SGD
Retailer 8$12,108 SGD
Retailer 3$15,116 SGD
Retailer 12$17,194 SGD
Retailer 2$17,601 SGD
Retailer 4$21,693 SGD
Do Amore Diamonds$46,483 SGD

36 data points across 15 retailers

15 retailers$6,755 SGD to $46,483 SGD

A
Cheapest Retailer
-
$6,755 SGD
$5,284 USD
A
Retailer 2
-
$7,076 SGD
$5,535 USD
View
A
Retailer 3
-
$7,080 SGD
$5,538 USD
View
A
Retailer 4
-
$7,205 SGD
$5,636 USD
View
A
Retailer 5
-
$7,856 SGD
$6,145 USD
View
A
Retailer 6
-
$9,651 SGD
$7,549 USD
View
A
Retailer 7
-
$10,268 SGD
$8,032 USD
View
A
Retailer 8
-
$10,652 SGD
$8,332 USD
View
Final sale: no returns
A
Retailer 9
-
$11,959 SGD
$9,355 USD
View
A
Retailer 10
-
$12,108 SGD
$9,471 USD
View
B+
Retailer 11
-
$15,116 SGD
€11,261 EUR
View
B+
Retailer 12
-
$17,194 SGD
$13,450 USD
View
B+
Retailer 13
-
$17,601 SGD
£10,841 GBP
View
B+
Retailer 14
-
$21,693 SGD
$16,969 USD
View
Most Expensive
B
Do Amore Diamonds
27-1A18A5279 · Oct 31
$46,483 SGD
$36,360 USD
View
14 more retailers have this diamond
Prices start from $6,755 SGDSave up to $39,728 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 Princess
$6,755 SGD