CaratHunter
Plans
Round|Lab Grown|IGI

5.55ct G IF Round Lab Grown Diamond

ID • G/IF • IGI LG627403957

Shape and cutting style on the report: Round brilliant

Certificate IGI LG627403957

Diamond specifications and retailer prices

From $4,736 USD
As of November 1, 2026
Save $14,934 USD (76%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $19,670 USD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG627403957 or 627403957. Listed at 22 retailers as of October 31, 2026, with prices from $4,736 to $19,670, a $14,934 spread on the same certified stone. Taylor and Hart lists it at $19,670. 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

5.55
Carat
G
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG627403957
Dimensions11.40 × 11.42 × 6.89 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS 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
11.40 mm11.42 mm5.55 ctG / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG627403957
Side View
Table 59.0%Crown 34.1°Girdle: MediumPavilion 40.6°Culet: NoneDepth 60.4%

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: $5,752 USD|Low: $4,546 USD|High: $13,858 USD|Avg: $8,599 USD|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 2$4,736 USD
Retailer 5$5,493 USD
Retailer 11$5,495 USD
Retailer 1$5,752 USD
Retailer 13$7,016 USD
Retailer 7$7,116 USD
Retailer 3$8,493 USD
Retailer 6$8,992 USD
Retailer 10$11,160 USD
Retailer 8$11,374 USD
Retailer 9$11,387 USD
Retailer 12$11,540 USD
Retailer 4$13,858 USD

35 data points across 13 retailers

22 retailers$4,736 USD to $19,670 USD

A
Cheapest Retailer
-
$4,736 USD
A
Retailer 2
-
$4,963 USD
View
A
Retailer 3
-
$5,281 USD
View
A
Retailer 4
-
$5,304 USD
View
Final sale: no returns
A
Retailer 5
-
$5,493 USD
View
Retailer 6
-
$5,493 USD
View
Price last confirmed 16 days ago
A
Retailer 7
-
$5,495 USD
View
A
Retailer 8
-
$5,752 USD
£4,529 GBP
View
A
Retailer 9
-
$6,864 USD
View
A
Retailer 10
-
$7,016 USD
View
A
Retailer 11
-
$7,116 USD
£5,603 GBP
View
Retailer 12
-
$8,493 USD
View
Price last confirmed 10 days ago
B+
Retailer 13
-
$8,992 USD
€8,564 EUR
View
B+
Retailer 14
-
$9,674 USD
View
B+
Retailer 15
-
$11,160 USD
ZAR 180,290 ZAR
View
B+
Retailer 16
-
$11,374 USD
£8,956 GBP
View
B+
Retailer 17
-
$11,387 USD
A$17,519 AUD
View
B+
Retailer 18
-
$11,540 USD
View
B
Retailer 19
-
$13,132 USD
View
B
Retailer 20
-
$13,858 USD
View
B
Retailer 21
-
$16,104 USD
View
Most Expensive
B
Taylor and Hart
AQM9C9Z · Oct 31
$19,670 USD
View
21 more retailers have this diamond
Prices start from $4,736 USDSave up to $14,934 USD

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
$4,736 USD