Round|Lab Grown|IGI

5.21ct E IF Round Lab Grown Diamond

EX • E/IF • IGI LG818674895

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818674895

Diamond specifications and retailer prices

From $5,964 SGD
$4,665 USD
As of October 29, 2026
Save $18,790 SGD (76%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $24,754 SGD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 5.21ct lab-grown round diamond

This 5.21ct lab-grown round sits in the over five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818674895 or 818674895. Listed at 19 retailers as of October 29, 2026, with prices from $5,964 to $24,754, a $18,790 spread on the same certified stone. Taylor and Hart lists it at $24,754. 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

5.21
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818674895
Dimensions11.28 × 11.36 × 6.78 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
11.28 mm11.36 mm5.21 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818674895
Side View
Table 57.0%Crown 32.7°Girdle: THN-MEDPavilion 40.9°Culet: NoneDepth 59.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $7,724 SGD|Low: $6,650 SGD|High: $33,251 SGD|Avg: $13,724 SGD|-36.1%
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
Taylor and Hart
October 31, 2026
Retailer 2$6,680 SGD
Retailer 13$6,961 SGD
Retailer 1$7,724 SGD
Retailer 6$8,551 SGD
Retailer 8$8,955 SGD
Retailer 12$10,035 SGD
Retailer 14$10,106 SGD
Retailer 7$10,260 SGD
Retailer 11$11,117 SGD
Retailer 15$11,189 SGD
Retailer 3$12,976 SGD
Retailer 9$14,055 SGD
Retailer 10$14,401 SGD
Retailer 5$17,883 SGD
Retailer 4$19,229 SGD
Taylor and Hart$24,754 SGD

31 data points across 16 retailers

19 retailers$5,964 SGD to $24,754 SGD

A
Cheapest Retailer
-
$5,964 SGD
$4,665 USD
A
Retailer 2
-
$6,680 SGD
$5,225 USD
View
Final sale: no returns
A
Retailer 3
-
$6,961 SGD
$5,445 USD
View
A
Retailer 4
-
$7,724 SGD
$6,042 USD
View
Retailer 5
-
$8,551 SGD
$6,689 USD
View
Price last confirmed 23 days ago
Retailer 6
-
$8,551 SGD
$6,689 USD
View
Price last confirmed 9 days ago
Retailer 7
-
$8,551 SGD
$6,689 USD
View
Price last confirmed 14 days ago
A
Retailer 8
-
$8,955 SGD
£5,516 GBP
View
A
Retailer 9
-
$10,035 SGD
$7,850 USD
View
A
Retailer 10
-
$10,106 SGD
$7,905 USD
View
Retailer 11
-
$10,260 SGD
HK$62,700 HKD
View
Price last confirmed 41 days ago
A
Retailer 12
-
$11,117 SGD
€8,282 EUR
View
A
Retailer 13
-
$11,189 SGD
$8,752 USD
View
A
Retailer 14
-
$12,976 SGD
$10,150 USD
View
A
Retailer 15
-
$14,055 SGD
ZAR 177,611 ZAR
View
A
Retailer 16
-
$14,401 SGD
£8,870 GBP
View
Retailer 17
-
$17,883 SGD
A$21,521 AUD
View
Price last confirmed 8 days ago
A
Retailer 18
-
$19,229 SGD
$15,041 USD
View
Most Expensive
B+
Taylor and Hart
FOM5YL9 · Oct 30
$24,754 SGD
$19,363 USD
View
18 more retailers have this diamond
Prices start from $5,964 SGDSave up to $18,790 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
5.21ct Round
$5,964 SGD