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Round|Lab Grown|IGI

1.91ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG818615290

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818615290

Diamond specifications and retailer prices

From $869 SGD
$678 USD
As of October 29, 2026
Save $5,924 SGD (87%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $6,793 SGD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 LG818615290 or 818615290. Listed at 25 retailers as of October 29, 2026, with prices from $869 to $6,793, a $5,924 spread on the same certified stone. Do Amore Diamonds lists it at $6,793. 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 angle34.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818615290
Dimensions8.00 × 8.04 × 4.87 mm
L/W Ratio1.00
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
8.00 mm8.04 mm1.91 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818615290
Side View
Table 58.0%Crown 34.4°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.8%

Caratlytics Score

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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: $6,793 SGD|Low: $642 SGD|High: $8,139 SGD|Avg: $2,674 SGD
Do Amore Diamonds
Retailer 2
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Retailer 24
October 30, 2026
Retailer 4$869 SGD
Retailer 21$988 SGD
Retailer 7$1,009 SGD
Retailer 14$1,009 SGD
Retailer 6$1,456 SGD
Retailer 9$1,571 SGD
Retailer 24$1,576 SGD
Retailer 5$1,596 SGD
Retailer 19$1,693 SGD
Retailer 23$1,748 SGD
Retailer 2$1,782 SGD
Retailer 18$1,882 SGD
Retailer 20$2,046 SGD
Retailer 11$2,546 SGD
Retailer 17$2,693 SGD
Retailer 16$3,130 SGD
Retailer 3$3,223 SGD
Retailer 8$3,393 SGD
Retailer 10$3,458 SGD
Retailer 12$3,982 SGD
Retailer 13$4,395 SGD
Retailer 15$4,706 SGD
Retailer 22$5,460 SGD
Do Amore Diamonds$6,793 SGD

35 data points across 24 retailers

25 retailers$869 SGD to $6,793 SGD

A
Cheapest Retailer
-
$869 SGD
$678 USD
A
Retailer 2
-
$988 SGD
$771 USD
View
Final sale: no returns
Retailer 3
-
$1,009 SGD
$787 USD
View
Price last confirmed 13 days ago
A
Retailer 4
-
$1,009 SGD
$787 USD
View
A
Retailer 5
-
$1,456 SGD
A$1,748 AUD
View
A
Retailer 6
-
$1,571 SGD
$1,226 USD
View
A
Retailer 7
-
$1,576 SGD
$1,230 USD
View
A
Retailer 8
-
$1,596 SGD
$1,245 USD
View
A
Retailer 9
-
$1,693 SGD
€1,258 EUR
View
B+
Retailer 10
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$1,693 SGD
$1,321 USD
View
B+
Retailer 11
-
$1,748 SGD
$1,364 USD
View
B+
Retailer 12
-
$1,782 SGD
£1,095 GBP
View
B+
Retailer 13
-
$2,046 SGD
ZAR 25,791 ZAR
View
B+
Retailer 14
-
$2,546 SGD
$1,986 USD
View
B+
Retailer 15
-
$2,693 SGD
$2,101 USD
View
B
Retailer 16
-
$3,130 SGD
$2,442 USD
View
B
Retailer 17
-
$3,223 SGD
$2,515 USD
View
B
Retailer 18
-
$3,393 SGD
CA$3,676 CAD
View
B
Retailer 19
-
$3,458 SGD
$2,698 USD
View
B
Retailer 20
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$3,982 SGD
$3,107 USD
View
B
Retailer 21
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$3,982 SGD
$3,107 USD
View
B
Retailer 22
-
$4,395 SGD
£2,700 GBP
View
B
Retailer 23
-
$4,706 SGD
$3,672 USD
View
B
Retailer 24
-
$5,460 SGD
$4,260 USD
View
Most Expensive
B
Do Amore Diamonds
20-E93168 · Oct 29
$6,793 SGD
$5,300 USD
View
24 more retailers have this diamond
Prices start from $869 SGDSave up to $5,924 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
$869 SGD