Radiant|Lab Grown|IGI

3.11ct H VS1 Radiant Lab Grown Diamond

EX • H/VS1 • IGI LG476178019

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG476178019

Diamond specifications and retailer prices

From $4,666 SGD
$3,650 USD
As of October 30, 2026
Save $7,901 SGD (63%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $12,567 SGD at Cape Diamonds · As of October 29, 2026
View at Cape Diamonds

About this 3.11ct lab-grown radiant diamond

This 3.11ct lab-grown radiant sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG476178019 or 476178019. Listed at 11 retailers as of October 29, 2026, with prices from $4,666 to $12,567, a $7,901 spread on the same certified stone. Cape Diamonds lists it at $12,567. 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

3.11
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG476178019
Dimensions9.87 × 7.65 × 5.00 mm
L/W Ratio1.29
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.87 mm7.65 mm3.11 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG476178019
Side View
Table 62.5%Crown 36.6°Girdle: MediumPavilion 35.4°Culet: NoneDepth 65.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $12,567 SGD|Low: $4,480 SGD|High: $13,589 SGD|Avg: $7,261 SGD|-7.5%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 5$4,666 SGD
Retailer 12$4,927 SGD
Retailer 9$5,077 SGD
Retailer 6$5,413 SGD
Retailer 11$5,470 SGD
Retailer 4$5,612 SGD
Retailer 8$6,764 SGD
Retailer 3$6,975 SGD
Retailer 10$8,300 SGD
Retailer 7$8,391 SGD
Retailer 2$11,657 SGD
Cape Diamonds$12,567 SGD

18 data points across 12 retailers

11 retailers$4,666 SGD to $12,567 SGD

B+
Cheapest Retailer
-
$4,666 SGD
$3,650 USD
B
Retailer 2
-
$4,927 SGD
$3,854 USD
View
B
Retailer 3
-
$5,077 SGD
$3,971 USD
View
B
Retailer 4
-
$5,413 SGD
$4,234 USD
View
B
Retailer 5
-
$5,470 SGD
CA$5,943 CAD
View
B
Retailer 6
-
$6,764 SGD
$5,291 USD
View
B
Retailer 7
-
$8,300 SGD
£5,112 GBP
View
B
Retailer 8
-
$8,391 SGD
$6,564 USD
View
B
Retailer 9
-
$11,657 SGD
£7,180 GBP
View
B
Retailer 10
-
$12,224 SGD
£7,529 GBP
View
Most Expensive
B
Cape Diamonds
cert_476178019 · Oct 29
$12,567 SGD
ZAR 158,811 ZAR
View
10 more retailers have this diamond
Prices start from $4,666 SGDSave up to $7,901 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.

B+
3.11ct Radiant
$4,666 SGD