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Oval|Lab Grown|IGI

4.21ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG770633964

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG770633964

Diamond specifications and retailer prices

From $3,153 SGD
$2,466 USD
As of November 1, 2026
Save $22,445 SGD (88%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $25,597 SGD at Yadav Diamonds · As of October 30, 2026
View at Yadav 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 LG770633964 or 770633964. Listed at 23 retailers as of October 30, 2026, with prices from $3,153 to $25,597, a $22,445 spread on the same certified stone. Yadav Diamonds lists it at $25,597. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770633964
Dimensions12.98 × 9.09 × 5.69 mm
L/W Ratio1.43
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
12.98 mm9.09 mm4.21 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770633964
Side View
Table 59.0%Crown 35.7°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
A+
Exceptional
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: Nov 1
Current: $10,808 SGD|Low: $3,153 SGD|High: $25,597 SGD|Avg: $10,330 SGD|-4.7%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Yadav Diamonds
November 1, 2026
Retailer 3$3,153 SGD
Retailer 22$3,430 SGD
Retailer 10$3,530 SGD
Retailer 14$3,658 SGD
Retailer 21$3,867 SGD
Retailer 7$5,135 SGD
Retailer 16$5,408 SGD
Retailer 4$5,437 SGD
Retailer 2$5,483 SGD
Retailer 6$5,548 SGD
Retailer 5$6,089 SGD
Retailer 13$6,955 SGD
Retailer 18$8,593 SGD
Retailer 12$8,648 SGD
Retailer 8$10,142 SGD
Retailer 1$10,808 SGD
Retailer 17$10,945 SGD
Retailer 15$14,072 SGD
Retailer 11$18,552 SGD
Retailer 9$21,694 SGD
Retailer 19$21,963 SGD
Retailer 20$21,963 SGD
Yadav Diamonds$25,597 SGD

38 data points across 23 retailers

23 retailers$3,153 SGD to $25,597 SGD

A+
Cheapest Retailer
-
$3,153 SGD
$2,466 USD
A
Retailer 2
-
$3,430 SGD
$2,683 USD
View
A
Retailer 3
-
$3,530 SGD
$2,761 USD
View
Final sale: no returns
A
Retailer 4
-
$3,658 SGD
$2,861 USD
View
A
Retailer 5
-
$3,867 SGD
$3,025 USD
View
Retailer 6
-
$4,010 SGD
$3,137 USD
View
Price last confirmed 20 days ago
A
Retailer 7
-
$5,135 SGD
$4,017 USD
View
A
Retailer 8
-
$5,408 SGD
£3,331 GBP
View
A
Retailer 9
-
$5,437 SGD
$4,253 USD
View
A
Retailer 10
-
$5,483 SGD
$4,289 USD
View
A
Retailer 11
-
$5,548 SGD
$4,340 USD
View
A
Retailer 12
-
$6,955 SGD
£4,284 GBP
View
B+
Retailer 13
-
$8,593 SGD
ZAR 108,585 ZAR
View
B+
Retailer 14
-
$8,648 SGD
A$10,407 AUD
View
B+
Retailer 15
-
$10,142 SGD
$7,934 USD
View
B+
Retailer 16
-
$10,808 SGD
£6,657 GBP
View
B+
Retailer 17
-
$10,945 SGD
$8,562 USD
View
B
Retailer 18
-
$14,072 SGD
$11,008 USD
View
B
Retailer 19
-
$18,552 SGD
$14,512 USD
View
B
Retailer 20
-
$21,694 SGD
$16,970 USD
View
B
Retailer 21
-
$21,963 SGD
$17,180 USD
View
B
Retailer 22
-
$21,963 SGD
$17,180 USD
View
Most Expensive
B
Yadav Diamonds
13275880 · Oct 30
$25,597 SGD
$20,023 USD
View
22 more retailers have this diamond
Prices start from $3,153 SGDSave up to $22,445 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
$3,153 SGD