CaratHunter
Plans
Round|Lab Grown|IGI

4.25ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG810620388

Shape and cutting style on the report: Round brilliant

Certificate IGI LG810620388

Diamond specifications and retailer prices

From $4,313 SGD
$3,374 USD
As of October 29, 2026
Save $14,543 SGD (77%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $18,856 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.25ct lab-grown round diamond

This 4.25ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG810620388 or 810620388. Listed at 21 retailers as of October 29, 2026, with prices from $4,313 to $18,856, a $14,543 spread on the same certified stone. Brilliant Earth lists it at $18,856. 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

4.25
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG810620388
Dimensions10.39 × 10.45 × 6.34 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
HEARTS & ARROWS 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
10.39 mm10.45 mm4.25 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG810620388
Side View
Table 58.0%Crown 34.6°Girdle: THN-MEDPavilion 40.6°Culet: NoneDepth 60.8%

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: $18,856 SGD|Low: $4,313 SGD|High: $24,175 SGD|Avg: $9,241 SGD|-22.0%
Brilliant Earth
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
November 1, 2026
Retailer 14$4,313 SGD
Retailer 8$4,693 SGD
Retailer 10$4,831 SGD
Retailer 5$4,906 SGD
Retailer 4$5,004 SGD
Retailer 12$5,004 SGD
Retailer 20$5,005 SGD
Retailer 17$5,825 SGD
Retailer 7$6,198 SGD
Retailer 3$6,253 SGD
Retailer 15$6,294 SGD
Retailer 2$6,647 SGD
Retailer 21$7,182 SGD
Retailer 13$8,838 SGD
Retailer 16$10,649 SGD
Retailer 9$12,533 SGD
Retailer 18$12,752 SGD
Retailer 6$13,885 SGD
Retailer 19$16,856 SGD
Retailer 11$17,561 SGD
Brilliant Earth$18,856 SGD

33 data points across 21 retailers

21 retailers$4,313 SGD to $18,856 SGD

A
Cheapest Retailer
-
$4,313 SGD
$3,374 USD
A
Retailer 2
-
$4,693 SGD
$3,671 USD
View
A
Retailer 3
-
$4,831 SGD
$3,779 USD
View
Final sale: no returns
A
Retailer 4
-
$4,906 SGD
$3,838 USD
View
Retailer 5
-
$5,004 SGD
$3,914 USD
View
Price last confirmed 19 days ago
A
Retailer 6
-
$5,004 SGD
$3,914 USD
View
A
Retailer 7
-
$5,005 SGD
$3,915 USD
View
A
Retailer 8
-
$5,825 SGD
HK$35,600 HKD
View
A
Retailer 9
-
$6,198 SGD
$4,848 USD
View
A
Retailer 10
-
$6,253 SGD
$4,891 USD
View
A
Retailer 11
-
$6,294 SGD
$4,923 USD
View
A
Retailer 12
-
$6,647 SGD
£4,094 GBP
View
A
Retailer 13
-
$7,182 SGD
$5,618 USD
View
B+
Retailer 14
-
$8,838 SGD
€6,584 EUR
View
B+
Retailer 15
-
$10,649 SGD
ZAR 134,572 ZAR
View
B+
Retailer 16
-
$12,533 SGD
$9,804 USD
View
B
Retailer 17
-
$12,752 SGD
£7,854 GBP
View
B+
Retailer 18
-
$13,885 SGD
$10,861 USD
View
B+
Retailer 19
-
$16,856 SGD
View
B
Retailer 20
-
$17,561 SGD
$13,736 USD
View
Most Expensive
B
Brilliant Earth
20726621A · Oct 31
$18,856 SGD
$14,750 USD
View
20 more retailers have this diamond
Prices start from $4,313 SGDSave up to $14,543 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
4.25ct Round
$4,313 SGD