CaratHunter
Plans
Round|Lab Grown|IGI

5.51ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG818623896

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818623896

Diamond specifications and retailer prices

From $8,886 SGD
$6,951 USD
As of October 31, 2026
Save $54,062 SGD (86%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $62,948 SGD at Mervis Diamond Importers · As of October 31, 2026
View at Mervis Diamond Importers

About this 5.51ct lab-grown round diamond

This 5.51ct lab-grown round sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818623896 or 818623896. Listed at 21 retailers as of October 31, 2026, with prices from $8,886 to $62,948, a $54,062 spread on the same certified stone. Mervis Diamond Importers lists it at $62,948. 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

5.51
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818623896
Dimensions11.31 × 11.26 × 7.01 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
11.31 mm11.26 mm5.51 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818623896
Side View
Table 58.0%Crown 35.3°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.1%

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 31
Current: $62,948 SGD|Low: $8,886 SGD|High: $75,468 SGD|Avg: $24,101 SGD|-16.6%
Mervis Diamond Importers
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
November 1, 2026
Retailer 7$8,886 SGD
Retailer 10$9,185 SGD
Retailer 15$10,911 SGD
Retailer 14$10,946 SGD
Retailer 5$11,748 SGD
Retailer 9$12,721 SGD
Retailer 16$13,354 SGD
Retailer 13$16,050 SGD
Retailer 8$19,087 SGD
Retailer 2$20,312 SGD
Retailer 12$20,643 SGD
Retailer 11$23,427 SGD
Retailer 3$25,335 SGD
Retailer 6$34,764 SGD
Retailer 4$54,600 SGD
Mervis Diamond Importers$62,948 SGD

38 data points across 16 retailers

21 retailers$8,886 SGD to $62,948 SGD

A+
Cheapest Retailer
-
$8,886 SGD
$6,951 USD
Final sale: no returns
A
Retailer 2
-
$9,185 SGD
$7,185 USD
View
Retailer 3
-
$9,473 SGD
$7,410 USD
View
Price last confirmed 22 days ago
Retailer 4
-
$9,853 SGD
$7,707 USD
View
Price last confirmed 19 days ago
A
Retailer 5
-
$10,911 SGD
$8,535 USD
View
A
Retailer 6
-
$10,946 SGD
$8,562 USD
View
Retailer 7
-
$10,989 SGD
$8,596 USD
View
Price last confirmed 30 days ago
Retailer 8
-
$10,989 SGD
$8,596 USD
View
Price last confirmed 20 days ago
Retailer 9
-
$11,748 SGD
$9,190 USD
View
A
Retailer 10
-
$12,721 SGD
£7,835 GBP
View
A
Retailer 11
-
$13,354 SGD
$10,446 USD
View
Retailer 12
-
$13,642 SGD
$10,671 USD
View
Price last confirmed 25 days ago
A
Retailer 13
-
$16,050 SGD
€11,957 EUR
View
A
Retailer 14
-
$19,087 SGD
$14,930 USD
View
A
Retailer 15
-
$20,312 SGD
£12,511 GBP
View
A
Retailer 16
-
$20,643 SGD
ZAR 260,864 ZAR
View
B+
Retailer 17
-
$23,427 SGD
$18,325 USD
View
B+
Retailer 18
-
$25,335 SGD
$19,817 USD
View
B+
Retailer 19
-
$34,764 SGD
$27,193 USD
View
B
Retailer 20
-
$54,600 SGD
$42,710 USD
View
Most Expensive
B
Mervis Diamond Importers
1984816699 · Oct 31
$62,948 SGD
$49,240 USD
View
20 more retailers have this diamond
Prices start from $8,886 SGDSave up to $54,062 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+
5.51ct Round
$8,886 SGD