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Radiant|Lab Grown|GCAL

0.91ct E SI1 Radiant Lab Grown Diamond

EX • E/SI1 • GCAL 311690150

Shape and cutting style on the report: Radiant brilliant

Certificate GCAL 311690150

Diamond specifications and retailer prices

From $252 SGD
$197 USD
As of October 29, 2026
Save $1,428 SGD (85%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,884 SGD at Do Amore Diamonds · As of October 28, 2026
View at Do Amore Diamonds

About this 0.91ct lab-grown radiant diamond

This 0.91ct lab-grown radiant sits in the just-under-one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GCAL 311690150. Listed at 10 retailers as of October 28, 2026, with a 565% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.91
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.5°
Pavilion angle59°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 311690150
Dimensions6.84 × 4.88 × 3.02 mm
L/W Ratio1.40
Culet sizeNone
Top View
6.84 mm4.88 mm0.91 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL 311690150
Side View
Table 64.0%Crown 39.5°Girdle: MED-MEDPavilion 59°Culet: NoneDepth 62.0%

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: $2,884 SGD|Low: $252 SGD|High: $2,884 SGD|Avg: $1,187 SGD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 9$252 SGD
Retailer 3$514 SGD
Retailer 10$514 SGD
Retailer 6$596 SGD
Retailer 11$1,227 SGD
Retailer 8$1,295 SGD
Retailer 5$1,385 SGD
Retailer 2$1,410 SGD
Retailer 4$1,410 SGD
Retailer 7$1,476 SGD
Do Amore Diamonds$2,884 SGD

17 data points across 11 retailers

10 retailers$252 SGD to $1,680 SGD

A
Cheapest Retailer
-
$252 SGD
$197 USD
B+
Retailer 2
-
$514 SGD
$401 USD
View
Retailer 3
-
$596 SGD
$465 USD
View
Price last confirmed 8 days ago
B
Retailer 4
-
$1,227 SGD
CA$1,330 CAD
View
B
Retailer 5
-
$1,385 SGD
$1,081 USD
View
B
Retailer 6
-
$1,410 SGD
$1,100 USD
View
B
Retailer 7
-
$1,410 SGD
$1,100 USD
View
Retailer 8
-
$1,476 SGD
£907 GBP
View
Price last confirmed 11 days ago
B
Retailer 9
-
$1,680 SGD
£1,032 GBP
View
Most Expensive
Do Amore Diamonds
32-311690150 · Oct 28
$2,884 SGD
$2,250 USD
View
Price under review
9 more retailers have this diamond
Prices start from $252 SGDSave up to $1,428 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
0.91ct Radiant
$252 SGD