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Oval|Lab Grown|IGI

4.21ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG712506113

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG712506113

Diamond specifications and retailer prices

From $3,339 SGD
$2,612 USD
As of October 29, 2026
Save $19,634 SGD (85%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $22,973 SGD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 IGI LG712506113 or 712506113. Listed at 26 retailers as of October 29, 2026, with prices from $3,339 to $22,973, a $19,634 spread on the same certified stone. Do Amore Diamonds lists it at $22,973. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG712506113
Dimensions12.99 × 9.18 × 5.74 mm
L/W Ratio1.42
Girdle conditionFaceted
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
12.99 mm9.18 mm4.21 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG712506113
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.5%

Caratlytics Score

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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 29
Current: $22,973 SGD|Low: $3,339 SGD|High: $26,412 SGD|Avg: $8,377 SGD
Do Amore Diamonds
Retailer 2
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Retailer 5
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Retailer 17
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Retailer 19
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Retailer 21
Retailer 22
November 1, 2026
Retailer 4$3,339 SGD
Retailer 14$3,633 SGD
Retailer 10$3,739 SGD
Retailer 7$3,874 SGD
Retailer 9$3,963 SGD
Retailer 5$4,078 SGD
Retailer 22$5,056 SGD
Retailer 21$5,475 SGD
Retailer 20$5,684 SGD
Retailer 2$5,730 SGD
Retailer 18$5,760 SGD
Retailer 3$5,878 SGD
Retailer 8$7,384 SGD
Retailer 16$9,102 SGD
Retailer 19$9,175 SGD
Retailer 6$10,402 SGD
Retailer 11$10,703 SGD
Retailer 17$10,896 SGD
Retailer 12$14,610 SGD
Retailer 15$14,897 SGD
Retailer 13$17,271 SGD
Do Amore Diamonds$22,973 SGD

42 data points across 22 retailers

26 retailers$3,339 SGD to $22,973 SGD

A
Cheapest Retailer
-
$3,339 SGD
$2,612 USD
A
Retailer 2
-
$3,633 SGD
$2,842 USD
View
A
Retailer 3
-
$3,739 SGD
$2,925 USD
View
Final sale: no returns
A
Retailer 4
-
$3,874 SGD
$3,030 USD
View
A
Retailer 5
-
$3,963 SGD
$3,100 USD
View
Retailer 6
-
$4,056 SGD
$3,173 USD
View
Price last confirmed 19 days ago
A
Retailer 7
-
$4,078 SGD
$3,190 USD
View
A
Retailer 8
-
$5,056 SGD
HK$30,900 HKD
View
A
Retailer 9
-
$5,475 SGD
$4,283 USD
View
A
Retailer 10
-
$5,684 SGD
$4,446 USD
View
A
Retailer 11
-
$5,730 SGD
£3,529 GBP
View
A
Retailer 12
-
$5,760 SGD
$4,506 USD
View
A
Retailer 13
-
$5,878 SGD
$4,598 USD
View
A
Retailer 14
-
$7,384 SGD
£4,548 GBP
View
Retailer 15
-
$8,684 SGD
$6,793 USD
View
Price last confirmed 83 days ago
B+
Retailer 16
-
$9,102 SGD
ZAR 115,023 ZAR
View
Retailer 17
-
$9,175 SGD
A$11,042 AUD
View
Price last confirmed 9 days ago
B+
Retailer 18
-
$10,342 SGD
$8,090 USD
View
B+
Retailer 19
-
$10,402 SGD
$8,137 USD
View
B+
Retailer 20
-
$10,703 SGD
$8,372 USD
View
B+
Retailer 21
-
$10,896 SGD
£6,711 GBP
View
Retailer 22
-
$12,161 SGD
£7,490 GBP
View
Price last confirmed 22 days ago
B
Retailer 23
-
$14,610 SGD
View
B
Retailer 24
-
$14,897 SGD
$11,653 USD
View
B
Retailer 25
-
$17,271 SGD
$13,510 USD
View
Most Expensive
B
Do Amore Diamonds
27-8CBA032A6 · Oct 31
$22,973 SGD
$17,970 USD
View
25 more retailers have this diamond
Prices start from $3,339 SGDSave up to $19,634 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
4.21ct Oval
$3,339 SGD