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Round|Lab Grown|IGI

1.21ct E VS1 Round Lab Grown Diamond

EX • E/VS1 • IGI LG818645105

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818645105

Diamond specifications and retailer prices

From $245 SGD
$192 USD
As of October 29, 2026
Save $2,368 SGD (91%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,614 SGD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.21ct lab-grown round diamond

This 1.21ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818645105 or 818645105. Listed at 23 retailers as of October 27, 2026, with prices from $245 to $2,614, a $2,368 spread on the same certified stone. Queensmith lists it at $2,614. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818645105
Dimensions6.88 × 6.94 × 4.08 mm
L/W Ratio1.01
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
6.88 mm6.94 mm1.21 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818645105
Side View
Table 62.0%Crown 33°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 59.0%

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: $511 SGD|Low: $237 SGD|High: $1,443 SGD|Avg: $563 SGD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 11$245 SGD
Retailer 4$285 SGD
Retailer 2$306 SGD
Retailer 12$412 SGD
Retailer 1$511 SGD
Retailer 6$514 SGD
Retailer 7$524 SGD
Retailer 5$553 SGD
Retailer 3$619 SGD
Retailer 8$745 SGD
Retailer 10$781 SGD
Retailer 9$1,429 SGD

38 data points across 12 retailers

23 retailers$245 SGD to $2,614 SGD

A
Cheapest Retailer
-
$245 SGD
$192 USD
A
Retailer 2
-
$276 SGD
$216 USD
View
Final sale: no returns
A
Retailer 3
-
$285 SGD
$223 USD
View
A
Retailer 4
-
$306 SGD
$239 USD
View
A
Retailer 5
-
$306 SGD
$239 USD
View
A
Retailer 6
-
$344 SGD
HK$2,100 HKD
View
B+
Retailer 7
-
$412 SGD
$322 USD
View
B+
Retailer 8
-
$508 SGD
$397 USD
View
A
Retailer 9
-
$511 SGD
£315 GBP
View
A
Retailer 10
-
$514 SGD
€383 EUR
View
A
Retailer 11
-
$524 SGD
ZAR 6,619 ZAR
View
B+
Retailer 12
-
$553 SGD
£341 GBP
View
B+
Retailer 13
-
$619 SGD
$484 USD
View
B+
Retailer 14
-
$745 SGD
A$896 AUD
View
B
Retailer 15
-
$781 SGD
$611 USD
View
B
Retailer 16
-
$981 SGD
$767 USD
View
B
Retailer 17
-
$996 SGD
View
B
Retailer 18
-
$1,028 SGD
$804 USD
View
B
Retailer 19
-
$1,049 SGD
$821 USD
View
Retailer 20
-
$1,342 SGD
$1,050 USD
View
Price last confirmed 40 days ago
B
Retailer 21
-
$1,429 SGD
£880 GBP
View
B
Retailer 22
-
$1,495 SGD
$1,169 USD
View
Most Expensive
B
Queensmith
LG818645105 · Oct 27
$2,614 SGD
£1,610 GBP
View
22 more retailers have this diamond
Prices start from $245 SGDSave up to $2,368 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
1.21ct Round
$245 SGD