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Round|Lab Grown|IGI

5.55ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG571309397

Shape and cutting style on the report: Round brilliant

Certificate IGI LG571309397

Diamond specifications and retailer prices

From $886 SGD
$693 USD
As of November 1, 2026
Save $3,738 SGD (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $4,624 SGD at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 5.55ct lab-grown round diamond

This 5.55ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG571309397 or 571309397. Listed at 16 retailers as of October 31, 2026, with prices from $886 to $4,624, a $3,738 spread on the same certified stone. Blue Nile lists it at $4,624. 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

5.55
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG571309397
Dimensions11.30 × 11.33 × 7.04 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
11.30 mm11.33 mm5.55 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG571309397
Side View
Table 57.0%Crown 35.5°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
A
Excellent
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: Nov 1
Current: $4,624 SGD|Low: $775 SGD|High: $4,624 SGD|Avg: $1,894 SGD
Blue Nile
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
Retailer 17
November 1, 2026
Retailer 9$868 SGD
Retailer 4$886 SGD
Retailer 12$964 SGD
Retailer 15$1,028 SGD
Retailer 16$1,028 SGD
Retailer 14$1,352 SGD
Retailer 10$1,510 SGD
Retailer 17$1,566 SGD
Retailer 2$1,626 SGD
Retailer 5$1,638 SGD
Retailer 7$1,670 SGD
Retailer 6$1,723 SGD
Retailer 13$2,530 SGD
Retailer 3$2,888 SGD
Retailer 11$4,056 SGD
Retailer 8$4,564 SGD
Blue Nile$4,624 SGD

40 data points across 17 retailers

16 retailers$886 SGD to $4,624 SGD

A
Cheapest Retailer
-
$886 SGD
$693 USD
A
Retailer 2
-
$964 SGD
$754 USD
View
A
Retailer 3
-
$1,028 SGD
$804 USD
View
Retailer 4
-
$1,028 SGD
$804 USD
View
Price last confirmed 16 days ago
Retailer 5
-
$1,352 SGD
£832 GBP
View
Price last confirmed 15 days ago
B+
Retailer 6
-
$1,510 SGD
€1,125 EUR
View
B+
Retailer 7
-
$1,566 SGD
$1,225 USD
View
B+
Retailer 8
-
$1,626 SGD
£1,002 GBP
View
B+
Retailer 9
-
$1,638 SGD
$1,281 USD
View
B+
Retailer 10
-
$1,670 SGD
$1,306 USD
View
B+
Retailer 11
-
$1,723 SGD
$1,348 USD
View
B
Retailer 12
-
$2,530 SGD
$1,979 USD
View
B
Retailer 13
-
$2,888 SGD
$2,259 USD
View
B
Retailer 14
-
$4,056 SGD
£2,498 GBP
View
B
Retailer 15
-
$4,564 SGD
$3,570 USD
View
Most Expensive
B
Blue Nile
25246473 · Oct 31
$4,624 SGD
$3,617 USD
View
15 more retailers have this diamond
Prices start from $886 SGDSave up to $3,738 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
5.55ct Round
$886 SGD