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Round|Lab Grown|IGI

5.91ct E VS1 Round Lab Grown Diamond

ID • E/VS1 • IGI LG792671954

Shape and cutting style on the report: Round brilliant

Certificate IGI LG792671954

Diamond specifications and retailer prices

From $1,591 SGD
HK$9,700 HKD
As of October 29, 2026
Save $3,641 SGD (70%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $18,149 SGD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 5.91ct lab-grown round diamond

This 5.91ct lab-grown round sits in the over five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG792671954 or 792671954. Listed at 10 retailers as of October 29, 2026, with a 229% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

5.91
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG792671954
Dimensions11.66 × 11.75 × 7.00 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.66 mm11.75 mm5.91 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG792671954
Side View
Table 59.0%Crown 33.3°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 59.8%

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: $18,149 SGD|Low: $1,910 SGD|High: $18,687 SGD|Avg: $5,025 SGD|-2.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 8$1,987 SGD
Retailer 2$2,150 SGD
Retailer 4$2,182 SGD
Retailer 7$2,394 SGD
Retailer 3$5,116 SGD
Retailer 9$5,232 SGD
Retailer 6$5,425 SGD
Retailer 5$7,017 SGD
Brilliant Earth$18,149 SGD

34 data points across 9 retailers

10 retailers$1,591 SGD to $5,232 SGD

A
Cheapest Retailer
-
$1,591 SGD
HK$9,700 HKD
A
Retailer 2
-
$1,987 SGD
$1,550 USD
View
A
Retailer 3
-
$2,150 SGD
£1,321 GBP
View
A
Retailer 4
-
$2,182 SGD
€1,621 EUR
View
A
Retailer 5
-
$2,394 SGD
$1,868 USD
View
B+
Retailer 6
-
$5,116 SGD
£3,143 GBP
View
B
Retailer 7
-
$5,232 SGD
$4,082 USD
View
Retailer 8
-
$5,425 SGD
A$6,512 AUD
View
Price last confirmed 21 days ago
Retailer 9
-
$7,017 SGD
$5,475 USD
View
Price last confirmed 11 days ago
Most Expensive
Brilliant Earth
20130325A · Oct 29
$18,149 SGD
$14,160 USD
View
Price under review
9 more retailers have this diamond
Prices start from $1,591 SGDSave up to $3,641 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
5.91ct Round
$1,591 SGD