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Round|Lab Grown|IGI

1.20ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG685510748

Shape and cutting style on the report: Round brilliant

Certificate IGI LG685510748

Diamond specifications and retailer prices

From $264 SGD
$206 USD
As of October 29, 2026
Save $2,722 SGD (91%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,986 SGD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.2ct lab-grown round diamond

This 1.2ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG685510748 or 685510748. Listed at 22 retailers as of October 29, 2026, with prices from $264 to $2,986, a $2,722 spread on the same certified stone. Brilliant Earth lists it at $2,986. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG685510748
Dimensions6.76 × 6.80 × 4.20 mm
L/W Ratio1.01
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
6.76 mm6.80 mm1.20 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG685510748
Side View
Table 57.0%Crown 35.6°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
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 29
Current: $2,986 SGD|Low: $252 SGD|High: $2,986 SGD|Avg: $838 SGD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 11
Retailer 12
Retailer 13
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Retailer 19
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Retailer 21
October 30, 2026
Retailer 20$264 SGD
Retailer 8$295 SGD
Retailer 14$305 SGD
Retailer 4$327 SGD
Retailer 5$327 SGD
Retailer 21$361 SGD
Retailer 9$442 SGD
Retailer 17$552 SGD
Retailer 15$598 SGD
Retailer 2$599 SGD
Retailer 7$638 SGD
Retailer 16$799 SGD
Retailer 6$810 SGD
Retailer 11$1,050 SGD
Retailer 19$1,054 SGD
Retailer 12$1,113 SGD
Retailer 3$1,119 SGD
Retailer 13$1,535 SGD
Retailer 18$1,544 SGD
Retailer 10$1,553 SGD
Brilliant Earth$2,986 SGD

42 data points across 21 retailers

22 retailers$264 SGD to $2,986 SGD

A
Cheapest Retailer
-
$264 SGD
$206 USD
A
Retailer 2
-
$295 SGD
$230 USD
View
Final sale: no returns
A
Retailer 3
-
$305 SGD
$238 USD
View
A
Retailer 4
-
$327 SGD
$255 USD
View
A
Retailer 5
-
$327 SGD
$255 USD
View
A
Retailer 6
-
$361 SGD
HK$2,200 HKD
View
B+
Retailer 7
-
$442 SGD
$345 USD
View
Retailer 8
-
$552 SGD
ZAR 6,963 ZAR
View
Price last confirmed 7 days ago
A
Retailer 9
-
$598 SGD
€444 EUR
View
A
Retailer 10
-
$599 SGD
£368 GBP
View
A
Retailer 11
-
$638 SGD
$498 USD
View
A
Retailer 12
-
$799 SGD
A$959 AUD
View
B+
Retailer 13
-
$810 SGD
$632 USD
View
B+
Retailer 14
-
$1,050 SGD
$819 USD
View
B+
Retailer 15
-
$1,054 SGD
$822 USD
View
B+
Retailer 16
-
$1,113 SGD
$868 USD
View
B+
Retailer 17
-
$1,119 SGD
$873 USD
View
B+
Retailer 18
-
$1,535 SGD
£943 GBP
View
Retailer 19
-
$1,544 SGD
$1,205 USD
View
Price last confirmed 12 days ago
B
Retailer 20
-
$1,553 SGD
$1,211 USD
View
B
Retailer 21
-
$2,930 SGD
£1,800 GBP
View
Most Expensive
B
Brilliant Earth
15027555A · Oct 29
$2,986 SGD
$2,330 USD
View
21 more retailers have this diamond
Prices start from $264 SGDSave up to $2,722 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
1.20ct Round
$264 SGD