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Round|Lab Grown|IGI

1.91ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG804649846

Shape and cutting style on the report: Round brilliant

Certificate IGI LG804649846

Diamond specifications and retailer prices

From $620 SGD
$484 USD
As of October 29, 2026
Save $4,865 SGD (89%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $5,486 SGD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.91ct lab-grown round diamond

This 1.91ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG804649846 or 804649846. Listed at 23 retailers as of October 29, 2026, with prices from $620 to $5,486, a $4,865 spread on the same certified stone. Brilliant Earth lists it at $5,486. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.91
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804649846
Dimensions8.14 × 8.09 × 4.78 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
8.14 mm8.09 mm1.91 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804649846
Side View
Table 60.0%Crown 33°Girdle: MediumPavilion 40.6°Culet: NoneDepth 58.9%

Caratlytics Score

How it works →
A+
Exceptional
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: $5,486 SGD|Low: $620 SGD|High: $5,486 SGD|Avg: $2,080 SGD
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 5
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Retailer 7
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Retailer 21
October 30, 2026
Retailer 5$620 SGD
Retailer 20$695 SGD
Retailer 16$724 SGD
Retailer 8$769 SGD
Retailer 12$842 SGD
Retailer 6$1,088 SGD
Retailer 17$1,198 SGD
Retailer 21$1,198 SGD
Retailer 2$1,273 SGD
Retailer 13$1,284 SGD
Retailer 15$1,321 SGD
Retailer 3$1,788 SGD
Retailer 4$1,946 SGD
Retailer 9$2,470 SGD
Retailer 7$2,506 SGD
Retailer 14$2,661 SGD
Retailer 19$2,689 SGD
Retailer 11$2,767 SGD
Retailer 18$3,212 SGD
Retailer 10$4,467 SGD
Brilliant Earth$5,486 SGD

25 data points across 21 retailers

23 retailers$620 SGD to $5,486 SGD

A+
Cheapest Retailer
-
$620 SGD
$484 USD
A
Retailer 2
-
$695 SGD
$542 USD
View
A
Retailer 3
-
$724 SGD
$565 USD
View
Final sale: no returns
A
Retailer 4
-
$769 SGD
$600 USD
View
Retailer 5
-
$842 SGD
$657 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$1,088 SGD
$849 USD
View
A
Retailer 7
-
$1,198 SGD
$935 USD
View
A
Retailer 8
-
$1,198 SGD
$935 USD
View
A
Retailer 9
-
$1,273 SGD
£782 GBP
View
A
Retailer 10
-
$1,284 SGD
€954 EUR
View
A
Retailer 11
-
$1,321 SGD
ZAR 16,646 ZAR
View
A
Retailer 12
-
$1,788 SGD
$1,395 USD
View
B+
Retailer 13
-
$1,946 SGD
$1,518 USD
View
Retailer 14
-
$2,329 SGD
$1,817 USD
View
Price last confirmed 44 days ago
B+
Retailer 15
-
$2,470 SGD
$1,927 USD
View
B+
Retailer 16
-
$2,506 SGD
$1,956 USD
View
B+
Retailer 17
-
$2,661 SGD
View
B+
Retailer 18
-
$2,689 SGD
$2,098 USD
View
B+
Retailer 19
-
$2,767 SGD
$2,159 USD
View
B+
Retailer 20
-
$2,875 SGD
$2,243 USD
View
B+
Retailer 21
-
$3,212 SGD
£1,973 GBP
View
B
Retailer 22
-
$4,467 SGD
$3,485 USD
View
Most Expensive
B
Brilliant Earth
21421010A · Oct 29
$5,486 SGD
$4,280 USD
View
22 more retailers have this diamond
Prices start from $620 SGDSave up to $4,865 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+
1.91ct Round
$620 SGD