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Round|Lab Grown|IGI

5.91ct E VS1 Round Lab Grown Diamond

EX • E/VS1 • IGI LG807651601

Shape and cutting style on the report: Round brilliant

Certificate IGI LG807651601

Diamond specifications and retailer prices

From $951 SGD
$742 USD
As of October 29, 2026
Save $4,518 SGD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,998 SGD at Rare Carat · As of October 18, 2026
View at Rare Carat

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 LG807651601 or 807651601. Listed at 14 retailers as of October 28, 2026, with a 475% 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807651601
Dimensions11.61 × 11.66 × 7.00 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.61 mm11.66 mm5.91 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG807651601
Side View
Table 61.0%Crown 34.4°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.2%

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: $6,998 SGD|Low: $948 SGD|High: $7,081 SGD|Avg: $3,216 SGD|-0.8%
Rare Carat
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
October 29, 2026
Retailer 6$951 SGD
Retailer 15$1,034 SGD
Retailer 12$1,385 SGD
Retailer 3$1,729 SGD
Retailer 2$1,755 SGD
Retailer 7$1,913 SGD
Retailer 11$2,248 SGD
Retailer 13$2,716 SGD
Retailer 10$2,717 SGD
Retailer 4$3,100 SGD
Retailer 16$3,579 SGD
Retailer 8$4,243 SGD
Retailer 9$4,336 SGD
Retailer 5$4,771 SGD
Retailer 14$5,469 SGD
Rare Carat$6,998 SGD

30 data points across 16 retailers

14 retailers$951 SGD to $5,469 SGD

A
Cheapest Retailer
-
$951 SGD
$742 USD
A
Retailer 2
-
$1,034 SGD
$807 USD
View
Retailer 3
-
$1,385 SGD
£851 GBP
View
Price last confirmed 12 days ago
A
Retailer 4
-
$1,729 SGD
$1,349 USD
View
A
Retailer 5
-
$1,755 SGD
€1,304 EUR
View
Retailer 6
-
$2,248 SGD
A$2,698 AUD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$2,716 SGD
$2,119 USD
View
B+
Retailer 8
-
$2,717 SGD
$2,120 USD
View
B+
Retailer 9
-
$3,100 SGD
$2,419 USD
View
B+
Retailer 10
-
$3,579 SGD
$2,792 USD
View
B+
Retailer 11
-
$4,336 SGD
£2,664 GBP
View
Retailer 12
-
$4,771 SGD
View
Price last confirmed 16 days ago
B
Retailer 13
-
$5,469 SGD
$4,267 USD
View
Most Expensive
Rare Carat
LGRD50-85109 · Oct 18
$6,998 SGD
$5,460 USD
View
Price last confirmed 11 days ago
13 more retailers have this diamond
Prices start from $951 SGDSave up to $4,518 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
$951 SGD