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Round|Lab Grown|IGI

4.27ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG828680589

Shape and cutting style on the report: Round brilliant

Certificate IGI LG828680589

Diamond specifications and retailer prices

From $4,467 SGD
HK$27,300 HKD
As of October 30, 2026
Save $13,801 SGD (76%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $18,268 SGD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 4.27ct lab-grown round diamond

This 4.27ct 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 IGI LG828680589 or 828680589. Listed at 14 retailers as of October 30, 2026, with prices from $4,467 to $18,268, a $13,801 spread on the same certified stone. Brilliant Earth lists it at $18,268. 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

4.27
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828680589
Dimensions10.42 × 10.37 × 6.45 mm
L/W Ratio1.00
Girdle conditionFaceted
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
10.42 mm10.37 mm4.27 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828680589
Side View
Table 56.0%Crown 35.3°Girdle: THN-MEDPavilion 40.8°Culet: NoneDepth 62.0%

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 30
Current: $18,268 SGD|Low: $4,467 SGD|High: $31,781 SGD|Avg: $10,426 SGD|-42.5%
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
October 30, 2026
Retailer 13$4,467 SGD
Retailer 2$4,938 SGD
Retailer 10$5,523 SGD
Retailer 8$5,859 SGD
Retailer 11$6,395 SGD
Retailer 6$7,818 SGD
Retailer 3$9,607 SGD
Retailer 12$9,807 SGD
Retailer 7$9,886 SGD
Retailer 5$12,817 SGD
Retailer 4$14,188 SGD
Retailer 9$14,387 SGD
Brilliant Earth$18,268 SGD

33 data points across 13 retailers

14 retailers$4,467 SGD to $18,268 SGD

A
Cheapest Retailer
-
$4,467 SGD
HK$27,300 HKD
A
Retailer 2
-
$4,938 SGD
£3,042 GBP
View
A
Retailer 3
-
$5,523 SGD
$4,320 USD
View
A
Retailer 4
-
$5,859 SGD
€4,365 EUR
View
A
Retailer 5
-
$6,395 SGD
$5,002 USD
View
A
Retailer 6
-
$7,818 SGD
ZAR 98,792 ZAR
View
B+
Retailer 7
-
$9,607 SGD
$7,515 USD
View
B+
Retailer 8
-
$9,807 SGD
$7,671 USD
View
B+
Retailer 9
-
$9,886 SGD
£6,089 GBP
View
B+
Retailer 10
-
$10,918 SGD
$8,540 USD
View
B+
Retailer 11
-
$12,817 SGD
$10,026 USD
View
B+
Retailer 12
-
$14,188 SGD
$11,098 USD
View
Retailer 13
-
$14,387 SGD
A$17,314 AUD
View
Price last confirmed 22 days ago
Most Expensive
B
Brilliant Earth
21581974A · Oct 30
$18,268 SGD
$14,290 USD
View
13 more retailers have this diamond
Prices start from $4,467 SGDSave up to $13,801 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
4.27ct Round
$4,467 SGD