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Round|Lab Grown|IGI

1.55ct F VVS1 Round Lab Grown Diamond

ID • F/VVS1 • IGI LG811672155

Shape and cutting style on the report: Round brilliant

Certificate IGI LG811672155

Diamond specifications and retailer prices

From $312 SGD
$244 USD
As of November 1, 2026
Save $1,288 SGD (80%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $1,854 SGD at Brilliant Earth · As of October 22, 2026
View at Brilliant Earth

About this 1.55ct lab-grown round diamond

This 1.55ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG811672155 or 811672155. Listed at 26 retailers as of November 1, 2026, with a 413% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
F
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811672155
Dimensions7.42 × 7.36 × 4.61 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
7.42 mm7.36 mm1.55 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811672155
Side View
Table 57.0%Crown 34.4°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.3%

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: Nov 1
Current: $1,854 SGD|Low: $312 SGD|High: $1,918 SGD|Avg: $949 SGD|-3.3%
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
November 2, 2026
Retailer 8$312 SGD
Retailer 3$486 SGD
Retailer 10$529 SGD
Retailer 15$581 SGD
Retailer 12$597 SGD
Retailer 11$635 SGD
Retailer 6$745 SGD
Retailer 5$769 SGD
Retailer 17$779 SGD
Retailer 2$808 SGD
Retailer 14$891 SGD
Retailer 7$1,179 SGD
Retailer 13$1,385 SGD
Retailer 4$1,408 SGD
Retailer 16$1,541 SGD
Retailer 9$1,600 SGD
Brilliant Earth$1,854 SGD

34 data points across 17 retailers

26 retailers$312 SGD to $1,600 SGD

Retailer 1
-
$279 SGD
$218 USD
Price last confirmed 23 days ago
Retailer 2
-
$301 SGD
$235 USD
View
Price last confirmed 41 days ago
A
Retailer 3
-
$312 SGD
$244 USD
View
Final sale: no returns
Retailer 4
-
$345 SGD
$270 USD
View
Price last confirmed 21 days ago
Retailer 5
-
$345 SGD
$270 USD
View
Price last confirmed 31 days ago
Retailer 6
-
$349 SGD
$273 USD
View
Price last confirmed 41 days ago
Retailer 7
-
$368 SGD
$288 USD
View
Price last confirmed 38 days ago
B+
Retailer 8
-
$486 SGD
$380 USD
View
A
Retailer 9
-
$529 SGD
£326 GBP
View
A
Retailer 10
-
$581 SGD
€433 EUR
View
A
Retailer 11
-
$597 SGD
ZAR 7,540 ZAR
View
A
Retailer 12
-
$635 SGD
£391 GBP
View
B+
Retailer 13
-
$745 SGD
$583 USD
View
B+
Retailer 14
-
$769 SGD
$601 USD
View
B+
Retailer 15
-
$779 SGD
$609 USD
View
B+
Retailer 16
-
$808 SGD
A$972 AUD
View
B+
Retailer 17
-
$891 SGD
$697 USD
View
Retailer 18
-
$1,111 SGD
$869 USD
View
Price last confirmed 26 days ago
B+
Retailer 19
-
$1,179 SGD
$922 USD
View
Retailer 20
-
$1,198 SGD
$937 USD
View
Price last confirmed 42 days ago
B+
Retailer 21
-
$1,261 SGD
$986 USD
View
B
Retailer 22
-
$1,385 SGD
£853 GBP
View
B
Retailer 23
-
$1,408 SGD
$1,101 USD
View
Retailer 24
-
$1,541 SGD
$1,205 USD
View
Price last confirmed 15 days ago
B
Retailer 25
-
$1,600 SGD
$1,251 USD
View
Most Expensive
Brilliant Earth
20537387A · Oct 22
$1,854 SGD
$1,450 USD
View
Price last confirmed 11 days ago
25 more retailers have this diamond
Prices start from $312 SGDSave up to $1,288 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
1.55ct Round
$312 SGD